ABRIDGED CURRICULUM VITAE

Stanley J. Weiss, Ph.D.
Professor of Experimental Psychology
American University
Washington DC

Stimulus control, incentive motivation, drugs and behavior, appetitive-aversive interaction theory of motivation, biological constraints on learning

Weiss, S. J., Kearns, D., Cohn, S., Schindler, C. W., & Panlilio, L. V. (2003). Stimulus Control of Drug Self-Administration. Journal of the Experimental Analysis of Behavior, 2003, In press

Kearns, D. N., Weiss, S. J., & Panlilio, L. V. (2002). Conditioned suppression of behavior maintained by cocaine. Drug & Alcohol Dependence, 65, 253-261

Panlilio, L. V., & Weiss, S., J., & Schindler, C. W. (2000). Effects of Compounding Drug- Related Stimuli: Escalation of Heroin Self-Administration. Journal of the Experimental Analysis of Behavior, 2000, 73, 211-222.

Panlilio, L. V., & Weiss, S. J., & Schindler, C. W. (2000). Stimulus compounding enhances conditioned suppression produced by cocaine-paired stimuli. Experimental and Clinical Psychopharmacology, 8, 6-13.

Panlilio, L. V., Weiss, S., J., & Schindler, C. W. (2000). Effects of compounding drug- related stimuli: escalation of heroin self-administration. Journal of the Experimental Analysis of Behavior, 2000, 73, 211-222.

Weiss, S. J., & Panlilio, L. V. (1999). Blocking a selective association in pigeons. Journal of the Experimental Analysis of Behavior, 71, 13-24.

Panlilio, L. V., & Weiss, S. J., & Schindler, C. W. (1998). Motivational effects of compounding discriminative stimuli associated with food and cocaine. Psychopharmacology, 136, 70-74.

Weiss, S. J., Thomas, D. A., & Weissman, R. D. (1996). Combining operant-baseline derived conditioned excitors and inhibitors from the same and different incentive class: An investigation of appetitive-aversive interactions. Quarterly Journal of Experimental Psychology: Comparative and Physiological Psychology, 49B, 357-381.

Panlilio, L., Weiss, S. J., & Schindler, C. W. (1996). Cocaine self-administration increased by compounding discriminative stimuli. Psychopharmacology, 125, 202-208.

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (1993). Selective associations produced solely with appetitive contingencies: The stimulus-reinforcer interaction revisited. Journal of the Experimental Analysis of Behavior, 59, 309-322

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (1993). Single-incentive selective associa- tions produced solely as a function of compound-stimulus conditioning context. Journal of Experimental Psychology: Animal Behavior Processes, 19, 284-294.

Panlilio, L. V., & Weiss, S. J. (1993). Reversibility of single-incentive selective associations. Journal of the Experimental Analysis of Behavior, 60, 85-104.

Weiss, S. J., & Weissman, R. W. (1992). Generalization peakshift for operant and autoshaped keypecks. Journal of the Experimental Analysis of Behavior, 57, 127-143.

Panlilio, L. V., Weiss, S. J., Thomas, D. A., & Glowa, J. (1992). FG 7142 selectively decreases nonpunished responding, but has no anxiogenic effects on time allocation in a conflict schedule. Psychopharmacology, 108, 185-188.

Thomas, D. A., Weiss, S. J., & Schindler, C. W. (1990). Effects of chlordiazepoxide and fumazenil on preference for punished and unpunished response alternatives in rats. Psychopharmacology, 102, 333-338.

Weiss, S. J., & Schindler, C. W. (1989). Integrating control generated by positive and negative reinforcement: Appetitive-aversive interactions. Animal Learning and Behavior, 17, 433-446.

Weiss, S. J., Schindler, C. W. (1987). The composite-stimulus analysis and the quantal nature of stimulus control: Response and incentive factors. The Psychological Record, 37, 177-191.

Weiss, S. J., Schindler, C. W., & Eason, R. (1988). The integration of habits maintained by food and water reinforcement. Journal of the Experimental Analysis of Behavior, 50, 237-247.

Schindler, C. W., & Weiss, S. J. (1985). Blocking of a stimulus-reinforcer interaction. Behavioural Processes, 11, 123-130.

Weiss, S. J., & Schindler, C. W. (1985). Conditioning history and inhibitory instrumental stimulus control: Independent-groups and within-subjects measures. Animal Learning & Behavior, 13, 215-222.

Weiss, S. J. & Dacanay, R. (1982). Incentive processes and the peak shift. Journal of the Experimental Analysis of Behavior, 37, 441-453.

Weiss, S. J. & Schindler, C. W. (1981). Generalization peak shift in rats under conditions of positive reinforcement and avoidance. Journal of the Experimental Analysis of Behavior, 35, 175-185.

Bushnell, M. C., & Weiss, S. J. (1980). An investigation of behavioral contrast and peak shift for autoshaped and operant behavior. Journal of the Experimental Analysis of Behavior, 33, 101-118.

Bushnell, M. C., & Weiss, S. J. (1978). Microanalysis of variable-interval performance in the rat during stimulus compounding. Animal Learning and Behavior, 6, 66-71.

Weiss, S. J. (1978). Discriminated response and incentive processes in operant conditioning: A two-factor model of stimulus control. A integrative theoretical article in the Journal of the Experimental Analysis of Behavior, 30, 361-381.

Bushnell, M. C., & Weiss, S. J. (1977). The effects of reinforcement differences on choice and response distribution during stimulus compounding. Journal of the Experimental Analysis of Behavior, 27, 351-362.

Tsai, S. Y., & Weiss, S. J. (1977). A further test of composite-stimulus control in additive summation. Bulletin of the Psychonomic Society, 9, 169-172.

Weiss, S. J. (1977). The isolation of stimulus-reinforcer associations established with multiple schedules. Animal Learning and Behavior, 5, 421-429.

Weiss, S. J. (1976). Stimulus control of free-operant avoidance: The contribution of response-rate and incentive relations between multiple schedule components. Learning and Motivation, 7, 477-516.

Weiss, S. J. (1975). Additive summation by stimulus compounding irrespective of behavioral contrast during discrimination training: An investigation with positive reinforcement and avoidance schedules. Animal Learning & Behavior, 3, 359-369.

Weiss, S. J. and Van Ost, S. L. (1974). Response discriminative and reinforcement factors in stimulus control of performance on multiple and chained schedules of reinforcement. Learning and Motivation, 5, 459-472.

Emurian, H., and Weiss, S. (1972). Compounding discriminative stimuli controlling free- operant avoidance. Journal of the Experimental Analysis of Behavior, 17, 249-256.

Weiss, S. J. (1972). Stimulus compounding in free-operant and classical conditioning: A review and analysis. Psychological Bulletin, 78, 189-208.

Weiss, S. J. (1972). Free-operant compounding of high- and low-rate SDs: An interresponse time analysis. Learning and Motivation, 3, 469-478.

Weiss, S. J. (1971). Discrimination training and stimulus compounding: Consideration of nonreinforcement and response differentiation consequences of S∆. Journal of the Experimental Analysis of Behavior, 15, 387-402.

Coulter, W. R., & Weiss, S. J. (1971). Suppressive summation controlled by compounding a shock-associated and a shock-extinguished CS. Proceedings of the 79th Annual Convention of the American Psychological Association, 6, 711-712.

Weiss, S. J. (1969). Attentional processes along a composite stimulus continuum during free-operant summation. Journal of Experimental Psychology, 82, 22-27

Weiss, S. J. (1967). Free operant compounding of variable-interval and low-rate stimuli. Journal of the Experimental Analysis of Behavior, 10, 535-540.

Weiss, S. J. (1964). Summation of response strengths instrumentally conditioned to stim- uli in different sensory modalities. Journal of Experimental Psychology, 68, 151-155.

Weiss, S. J., & Lawson, R. (1962). Secondary reinforcement as a suppresser of rate of responding in the free-operant situation. Journal of Comparative and Physiological Psychology, 55, 1016-1019.

PI — NIDA Research Grant titled "Incentive Properties of AbusedDrugs". (August 2002- July 2007).

Project Director and Sponsor NIDA National Research Service award titled "Compulsive drug-related behavior and classical conditioning." (September 1001-August 2003).

PI - NIDA competitive supplement award to "Incentive Properties of Abused Drugs" Research Grant. (September 1999-July 2000).

PI - NIDA Research Grant concerned with the "Incentive Properties of Abused Drugs." (September 1996- July, 2002)

Project Director and Sponsor - NIDA National Research Service titled "Stimulus compounding effects on drug self administration." (July 1993-July 1995)

PI - NIMH Research Grant concerned with "Preference and Selective Association." (September 1989 - August 1993)

PI - NIHM Research concerned with "Generalization of operant and autoshaped responses." (August 1987-April 1989)

PI - NIMH Research Grant concerned with, "Response and reinforcer associations in stimulus control." December 1976-November 1978)

PI - NIMH Research Grant concerned with "Composite-stimulus control in multi-element schedules". (September 1973-November 1976)

PI - NIMH Research Grant concerned with "Investigations in free-operant stimulus compounding." (September 1968-August 1973)

Project Director -National Science Foundation Instructional EquipmentMatching Grant concerned with, "A laboratory-coordinated interview method for teaching introductory psychology." (June 1969-May 1971)

United States Public Health Service Predoctoral Research Fellowship. (September 1962-August 1963)

Introductory Psychology
Advanced General Psychology
Behavior Principles
Experimental Psychology: Perception and Learning -- Undergraduate
Statistics: Elementary & Intermediate
Conditioning and Learning -- Graduate & Undergraduate
Motivation -- Graduate
Instrumentation -- Graduate
Sensation and Perception -- Graduate
Psychological Research -- Graduate

CONFERENCE PRESENTATIONS & INVITED ADDRESSES

Weiss, S. J., and Lawson, R. (1961). Secondary reinforcement as a suppressor of rate of responding in the free-operant situation. Midwestern Psychological Association, Chicago.

Weiss, S. J. (1963). The summation of response strengths instrumentally conditioned to stimuli in different sensory modalities. Midwestern Psychological Association, Chicago.

Weiss, S. J. (1967). Free-operant stimulus compounding of VI and DRL SDs. American Psychological Association, Boston.

Weiss, S. J. (1968). Response inhibition as a factor in additive summation. Eastern Psychological Association, Wash., D.C.

Ziek, J., & Weiss, S. J. (1968). Stimulus meaningfulness and sex as factors in interference on color-word lists. Eastern Psychological Association, Washington, D.C.

Weiss, S. J. (1968). Free-operant compounding of low-rate stimuli. American Psychological Association, San Francisco.

Weiss, S. J. (1969). Selective attention to elements of a composite stimulus continuum as evidenced by free-operant summation through "stimulus subtraction." Eastern Psychological Association, Philadelphia.

Weiss, S. J. (1969). Response distributions during free-operant compounding of high- and low-rate discriminative stimuli. American Psychological Association, Washington, D.C.

Weiss, S. J., & Monahan, J (1969). A matched-subject comparison of the toleration and exhaustion methods of extinguishing an avoidance response. American Psychological Association, Wash., D.C.

Weiss, S. J.,.& Emurian, H. H. (1970). An application of the composite continuum attentional analysis to the summation of conditioned suppression. Eastern Psychological Association, Atlantic City

Chairman, Stimulus Control paper session. Eastern Psychological Association, Atlantic City, 1970.

Emurian, H. H., & Weiss, S. J. (1970). Compounding discriminative stimuli controlling Sidman avoidance. American Psychological Association, Miami Beach.

Dawson, J., & Weiss, S. J. (1971). A within-subject comparison of toleration and exhaustion treatment effects upon avoidance extinction. Eastern Psychological Association, New York.

Coulter, W., & Weiss, S. J. (1971). Suppressive summation controlled by compounding a shock-associated and a shock-extinguished CS. American Psychological Association, Washington, D.C.

Wiltz, R. A., Jr., & Weiss, S. J. (1972). Combined-stimulus control: Effects of rate relations between the presence and absence of the separate stimuli. Eastern Psychological Association, Boston.

Wiltz, R. A., Jr. & Weiss, S. J. (1972). Combined-stimulus control: Similar control by reinforcement and punishment-associated stimuli. Midwestern Psychological Association, Chicago.

Weiss, S. J., & Wiltz, R. A., Jr. (1972). Response enhancement and suppression through compounding discriminative stimuli controlling free-operant avoidance. American Psychological Association, Honolulu.

Weiss, S. J., Wiltz, R. A., Jr. & Emurian, H. H. (1972). Multiple schedule control of free- operant avoidance. Maryland Group for the Experimental Analysis of Behavior, College Park, MD.

Invited address: A composite-stimulus control model of behavior. Bryn Mawr College, Philadelphia, 1972.

Weiss, S. J. (1973). Multiple schedule control of free-operant avoidance: A stimulus compounding essay. Eastern Psychological Association, Washington, D.C.

Weiss, S. J., & Levine, S. (1973). Stimulus control during chained and multiple schedules of positive reinforcement. American Psychological Association, Montreal.

Weiss, S. J., Cunningham, C. E., & Bushnell, M. C. (1973). Stimulus control of free-operant avoidance: An investigation of response-rate and incentive relations between multiple schedule components. Psychonomic Society, St. Louis, 1973. (Abstracted in Bulletin of the Psychonomic Society, 1973, 2, 352.)

Cunningham, C. E., Bushnell, M. C., & Weiss, S. J. (1974). Compounding discriminative stimuli controlling free-operant responding on separate manipulanda. Eastern Psychological Association, Philadelphia.

Weiss, S. J. (1974). Additive summation by stimulus compounding irrespective of behavioral contrast during discrimination training: An investigation with positive reinforcement and avoidance schedules. Eastern Psychological Association, Philadelphia.

Weiss, S. J. (1974). Discriminative and incentive interactions in composite-stimulus control of free-operant behavior. Presented at "Conditioning context and stimulus control" symposium. American Psychological Association, New Orleans.

Bushnell, M. C., & Weiss, S. J. (1975). The effect of reinforcement differences on choice and response distribution during stimulus compounding. Eastern Psychological Association, New York.

Invited address: The dynamics of stimulus control in free-operant avoidance. University of Colorado, Boulder, 1974. University of Massachusetts, 1974.

NIMH Laboratory of Brain Evolution and Behavior, Poolesville, 1975.

Weiss, S. J. (1975). Stimulus-reinforcer associations in stimulus compounding: The separation of response and reinforcement covariation on operant baselines. Psychonomic Society, Denver. (Abstracted in Bulletin of the Psychonomic Society, 1975, 6, 444)

Cunningham, C. E., & Weiss, S. J. Reinforcement factors in the stimulus control of free- operant avoidance in a two-manipulandum paradigm. Psychonomic Society, Denver. (Abstracted in Bulletin of the Psychonomic Society, 1975, 6, 425)

Bushnell, M. C., & Weiss, S. J. (1976). Microanalysis of variable-interval performance in the rat during stimulus compounding. Eastern Psychological Association, New York City.

Invited address: Response and contingency factors in avoidance behavior. Bryn Mawr College, Philadelphia, 1976.

Weiss, S. J. (1976). Decreased preference for safety over an avoidance contingency after withdrawal of positive reinforcement. Psychonomic Society, St. Louis. (Abstracted in Bulletin of the Psychonomic Society, 1976, 8, 257)

Bushnell, M. C., & Weiss, S. J. (1977). An investigation of behavioral contrast and peakshift for autoshaped and operant behavior. Eastern Psychological Association, Boston.

Weiss, S. J., & Schindler, C. W. (1977). Conditioning history and inhibitory stimulus control. American Psychological Association, San Francisco.

Schindler, C. W., & Weiss, S. J. (1978). The effects of positive and negative reinforcement on selective attention. Eastern Psychological Association, Washington, D.C.

Weiss, S. J., & Schindler, C. W. (1978). Peak shift under conditions of positive and negative reinforcement. Psychonomic Society, San Antonio. (Abstracted in Bulletin of the Psychonomic Society, 1978, 12, 280)

Invited Address by the Division of Experimental Psychology: "Discriminated response and incentive processes in operant learning". American Psychological Association, New York, 1979.

Schindler, C. W., & Weiss, S. J. (1980). Blocking control by relevant stimuli. Eastern Psychological Association, Hartford.

Chairman, Stimulus Control (Animal) paper session. Eastern Psychological Association, Hartford, 1980.

Weiss, S. J., Dacanay, R., & Schindler, C. W. (1980). Incentive processes and the peak shift. Psychonomic Society, St. Louis. (Abstracted in Bulletin of the Psychonomic Society, 1981, 8, 65.)

Weiss, S. J., & Schindler, C. W. (1981). Appetite-aversive interactions in stimulus compounding. Eastern Psychological Association, New York City.

Weiss, S. J. (1981). A chained schedule determination of the relationship between effort and conditioned reinforcement value. Psychonomic Society, Philadelphia. (Abstracted in Bulletin of the Psychonomic Society, 1981, 18, 65.)

Invited address: Instrumental and respondent factors in avoidance. Hebrew University, March, 1982; University of St. Andrews, July 1982

Invited seminar: Classical and instrumental processes: A point of intersection. Hebrew University, April and May, 1982.

Weiss, S. J., & Schindler, C. W. (1984). The effects of conditioning history on inhibitory instrumental stimulus control: Independent-groups and within-subjects measures. Eastern Psychological Association, Baltimore.

Weiss, S. J., Schindler, C. W., & Eason, R. (1985). The integration of habits maintained by food and water reinforcement. Eastern Psychological Association, Boston.

Weiss, S. J., & Schindler, C. W. (1985). Integrating control generated by positive and negative reinforcement: Appetitive-aversive interactions. Psychonomic Society, Boston. (Abstracted in Bulletin of the Psychonomic Society, 1985, 23, 279.)

Weiss, S. J., Thomas, D. A., & Warren, R. D. (1986). The influence of inhibitors on excitors of the same and different incentive classes: Appetitive-aversive interactions. Eastern Psychological Association, New York City.

Thomas, D. A., & Weiss, S. J. (1986). Independent measures of time allocation and relative response rates as indices of preference. Eastern Psychological Association, New York.

Invited Presentation:. Composite stimulus and interresponse-time analyses of stimulus control: Response and incentive factors. In Symposium titled, "Stimulus control: Continuity or discontinuity? Views from the study of interoceptive and exteroceptive stimuli". Association for Behavior Analysis, Milwaukee, 1986.

Chairman, Animal Learning II. paper session. Eastern Psychological Association, New York City, 1986.

Weiss, S. J., Thomas, D. A., Warren, R. D., & Schindler, C. W. (1986). Effects of Chlordiazepoxide on operant conditioned inhibition. American Society of Pharmacology and Experimental Therapeutics, Baltimore. (Abstracted in The Pharmacologist, 1986, 28, 223.)

Weiss, S. J., Cunningham, C. E., & Bushnell, M. C. (1986). Investigating predictions of a stimulus-reinforcer interaction in a choice paradigm. Psychonomic Society, New Orleans. (Abstracted in Bulletin of the Psychonomic Society, 1986, 24)

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (1987). Hedonics and selective attention: The stimulus-reinforcer interaction reinterpreted. Psychonomic Society, Seattle. (Abstracted in Bulletin of the Psychonomic Society, 1987, 25).

Chairman, Reinforcement Contingencies paper session. Eastern Psychological Association, Buffalo, 1988.

Chairman, Animal Learning & Behavior II paper session. Psychonomic Society, Chicago, 1988.

Invited address: Appetitive-aversive interactions on operant baselines. University of New South Wales, Sydney, Australia, 1989

Invited address: Hedonics and selective associations: The stimulus-reinforcer interaction reinterpreted. University of New South Wales, Sydney, Australia, 1989;University of Auckland, Auckland, New Zealand, 1989;University of Otago, Dunedin, New Zealand, 1989;SUNY at Binghamton, New York, 1989;University of Colorado, Boulder,1990;University of Massachusetts, Amherst, 1991

Invited Introduction: Howard Rachlin's Invited Address "Probability and delay of reward". Eastern Psychological Association , Boston, 1989.

Invited Introduction: Robert Plomin's Invited Address "Behavioral genetics: Beyond the nature-nurture controversy". Eastern Psychological Association, Boston, 1989.

Panlilio, L. V., Weiss, S. J., Glowa, J., & Thomas, D. A. (1990). Effects of FG 7142 on response rates in and preference between punished and unpunished schedule components. Eastern Psychological Association, Philadelphia.

Weiss, S. J., & Panlilio, L. V. (1990). An experimental psychology class project confirming Weber's Law with depth perception. Eastern Psychological Association, Philadelphia.

Weiss, S. J., & Weissman, R. D. (1990). Generalization peak shift for operant and respondent keypecks. Psychonomic Society, New Orleans. (Abstracted in the Bulletin of the Psychonomic Society, 1990, 28).

Chairman, Animal Learning III paper session. Psychonomic Society, New Orleans, 1990.

Weiss, S. J., Panlilio, L. V., Weissman, R. D., & Schindler, C. W. (1991). Selective associations produced solely with avoidance contingencies. Eastern Psychological Association, New York City

Weiss, S. J. (1991). Behavioral persistence generated by aversive control: (a) Contingencies responsible for prolonged avoidance rate reduction that produces significant shock increase, and (b) Residual "fear" despite complete elimination of avoidance through extinction. Winter Conference on Animal Learning, Winter Park, CO.

Panlilio, L. V., & Weiss, S. J. (1991). Reversibility of within-incentive selective associations in appetitive and aversive situations. Psychonomic Society, San Francisco. (Abstracted in Bulletin of the Psychonomic Society, 1991, 29)

Chairman, Associative Learning: Animal III paper session. ,Psychonomic Society, San Francisco, 1991.

Weissman, R. D., & Weiss, S. J. (1992). An investigation of composite control of pecking by keylight stimuli. Eastern Psychological Association, Boston.

Weiss, S. J., & Panlilio, L. V. (1992). A practical comprehensive project for teaching experimental design and control that confirms a mathematical model of behavior: Eastern Psychological Association, Boston.

Panlilio, L. V., Weissman, R. D., & Weiss, S. J. (1992). A comparison of selective associations with a tone-light compound as SD and SÆ. Eastern Psychological Association, Boston.

Chairman, Animal Cognition: Stimulus Control paper session. Eastern Psychological Association, Boston, 1992.

Weiss, S. J. (1993). Evolution of a self-paced course: Contingencies in the Classroom. Winter Conference on Animal Learning XI, Winter Park, CO.

Weiss, S. J. (1993). Appetitive-aversive interactions. Made central presentation and led focus group discussion. Winter Conference on Animal Learning XI, Winter Park, CO.

Weiss, S. J. (1993). A case history of the evolution of a self-paced to a paced course: Changing contingencies in the classroom. Eastern Psychological Association, Arlington, VA.

Weissman, R. D., & Weiss, S. J. (1993). Demonstrating additive summation with variable- ratio schedules. Eastern Psychological Association, Arlington, VA.

Panlilio, L. V., & Weiss, S. J. (1993). Selective associations produced solely with shock- related contingencies: The role of punishment. Eastern Psychological Association, Arlington, VA.

Invited address: Single incentive selective associations: A new perspective on biological constraints on learning. University of Indiana, Bloomington, 1993

Weiss, S. J., Thomas, D. A., & Weissman, R. D. (1993). Compounding excitors with inhibitors from the same and opposite incentive class. Psychonomic Society, Washington, D. C.

Weiss, S. J. (1994). Excitation, inhibition, incentive motivation and stimulus control. In "Affect vs. Information" symposium at the Winter Conference on Animal Learning XI, Winter Park, CO.

Weiss, S. J. (1994). Comparison of discussion-group and lecture-format classes. Eastern Psychological Association, Providence, RI.

Panlilio, L. V., & Weiss, S. J. (1994). Single-incentive selective associations in the pigeon. Eastern Psychological Association, Providence, RI.

Weiss, S. J. (1995). Primary speaker in the "Dynamics of Incentive" session. Winter Conference on Animal Learning XII, Winter Park, CO.

Weiss, S. J. (1995). Drug self-administration as a reinforcer: A case history. Winter Conference on Animal Learning XII, Winter Park, CO.

Weiss, S. J., Panlilio, L. V. (1995). Blocking a stimulus reinforcer association in pigeons. Eastern Psychological Association, Boston, MA.

Panlilio, L. V., & Weiss, S. J. (1995). Preference between aviodable and unavoidable shock in within-incentive selective association schedules. Eastern Psychological Association, Boston, MA.

Weiss, S. J., & Panlilio, L. V. (1995). Blocking a selective association: Reversing a stimulus-reinforcer interaction in pigeons. Psychonomic Society, Los Angeles.

Chairman: Animal Learning: Classical Conditioning paper session. Psychonomic Society, Los Angeles, CA,1995.

Panlilio, L. V., Weiss, S. J., & Schindler, C. W. (1995). Stimulus compounding effects on cocaine self-administration in rats. Eastern Psychological Association, Boston, MA.

Panlilio, L. V., Weiss, S. J., & Schindler, C. W. (1995). The stimulus control of drug abuse: Additive summation of cocaine self-administration in rats. College on Problems of Drug Dependency, Scottsdale, AZ.

Weissman, R. D., & Weiss, S. J. (1995). Combining VI food and free-operant avoidance of shock schedules within simple, conjoint and mixed components of a multiple schedule. Society for the Quantitative Analysis of Behavior, Washington, D. C.

Invited Address: Stimulus control and incentive motivation: From food reinforcement to drug self-administration. Bucknell University, Lewisburg, PA, 1995.

Weiss, S. J., & Weissman, R. D. (1996). The conditioned equivalence of reinforcers from different incentive classes: Contingencies that attenuate reciprocal inhibition. Winter Conference on Animal Learning XIII, Winter Park, CO.

Weiss, S, J. (1996). Attracting and placing good students: The future of the field. Winter Conference on Animal Learning XIII, Winter Park, CO.

Weiss, S. J., & Panlilio, L. V. (1996).Increased Drug Seeking and Intake By Compounding Discriminative Stimuli Occasioning Self-Administration. Experimental Analysis of Behavior Group Conference, London.

Weiss, S. J., & Weissman, R. D. (1996). Operant Baselines Producing Simultaneous Appetitive and Aversive Arousal with Minimal Reciprocal Inhibition. Experimental Analysis of Behavior Group Conference, London.

Weissman, R. D., & Weiss, S. J. (1996). Simultaneous appetitive and defensive arousal on an operant baseline without reciprocal inhibition. Eastern Psychological Association, Philadelphia.

Invited Address: Stimulus control and incentive motivation: From food to drug self administration Cambridge University, England (1996). University of Wales at Bangor (1996)

Invited Address: Hedonics and selective associations. Cambridge University, England (1996)

Invited Address: Generalization peak shift for a classically conditioned response: Autoshaped keypecks.. Cambridge University, England (1996)

Invited Symposium (Chair): Associative mechanisms in drug abuse and craving: Behavioral, neurochemical and neuroanatomical investigations. Eastern Psychological Association, Washington, D.C., 1997.

Panlilio, L. V., Schindler, C. W., & Weiss. (1997). Effects of combining environmental stimuli that influence the seeking and taking of drugs. Eastern Psychological Association, Washington, D.C.

Weiss, S. J., Panlilio, L. V., & Schindler, C. A. (1997). Drug self-administration and conventional reinforcers: Some functional comparisons. International Conference on Comparative Cognition. Melbourne, FL.

Panlilio, L. V., Weiss, S. J., & Schindler, C. W. (1997). Motivational effects of compounding discriminative stimui associated with food and cocaine. College on Problems of Drug Dependency, San Juan, PR.

Weiss, S. J., & Thomas, D. A. (1997). Relating multiple-schedule component preference and relative within-component response rates. Psychonomic Society, Philadelphia.

Chair, Associative Mechanisms: Animals paper session. Psychonomic Society, Philadelphia, PA, 1997.

Weiss, S. J., Panlilio, L. V., & Schindler (1998). Investigations in selective associations: Attention, hedonics and evolution. Winter Conference on Animal Learning XV, Winter Park, CO.

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (1998) Persistence of increased drug-seeking produced by combined drug-related environmental cues. Eastern Psychological Association, Boston, MA.

Chair, Psychpharmacology paper session.Eastern Psychological Association, Boston, MA.

Invited address: Biological Constraints on Learning and Hedonics: Selective Assocations. Queens College of CUNY, Queens, NY (1998)

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (1999). The comparative psychology of selective associations: Pigeons and Rats (Dinosaurs and Mammals?).

Winter Conference on Animal Learning, XVI Winter Park, CO. International Conference on Comparative Cognition. Melbourne, FL.

Chair, Behavior & Physiology paper session. Eastern Psychological Association, Providence, RI, 1999.

Weiss, S. J., Panlilio, L. V., Kearns, D. N., Cohn, S. I., & Schindler, C. W. (1999). A comparison of selective associations produced by cocaine and by food. Eastern Psychological Association, Providence, RI.

Cohn, S. I., Kearns, D. N., Panlilio, L. V., Weiss, S. J. (1999). Stimulus control under three- component chained schedules of cocaine self-administration. Eastern Psychological Association, Providence, RI.

Panlilio, L. V., & Weiss, S. J., & Schindler, C. W. (1999). Stimulus control of drug abuse: Stimulus compounding produces comparable increases in heroin and cocaine self- administration. College on Problems of Drug Dependence, Acapulco, Mexico.

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (2000). Escalation of cocaine and heroin seeking and intake produced by exposure to multiple drug-related stimuli: Implications of the Rescorla-Wagner model for sustained effects. Winter Conference on Animal Learning & Behavior XVII, Winter Park, CO,.

Weiss, S. J., Panlilio, L. V., Kearns, D. N., Cohn, S. I., & Schindler, C. W. (2000). Biological constraints and appetitive-aversive interaction theory: An application to selective associations. International Conference on Comparative Cognition. Melbourne, FL.

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (2000). Escalation of drug seeking and intake produced by exposure to multiple drug-related stimuli: A comparison of cocaine and heroin. Eastern Psychological Association, Baltimore, MD.

Kearns, D. N., Weiss, S. W., & Panlilio, L. V.. (2000). Summation of shock-generated conditioned suppression on a cocaine maintained baseline. Eastern Psychological Association, Baltimore, MD.

Weiss, S. J., Panlilio, L. V., & Schindler, C. W. (2000). Escalation of cocaine and heroin seeking and intake produced by exposure to multiple drug-related stimuli: A comparison of cocaine and heroin. Eastern Psychological Association, Baltimore, MD.

Chair, Animal Learning General paper session. Winter Conference on Animal Learning & Behavior XVII, Winter Park, CO, 2000.

Invited Address. Conditioned excitation, inhibition and drug-maintained behavior. Rutgers University, New Brunswick, NJ, November 2000.

Weiss, S. J., Kearns, D. N., & Panlilio, L. V.. (2001). Conditioned suppression of behavior maintained by cocaine. Winter Conference on Animal Learning & Behavior XVIII, Winter Park, CO.

Weiss, S. J., Kearns, D., Cohn, S., Schindler, C. W., & Panlilio, L. V. (2001). Stimulus control of drug self-administration. Eastern Psychological, Association, Washington, D. C.

Weiss, S. J., Kearns, D., Cohn, S., Schindler, C. W., & Panlilio, L. V. (2002). Cocaine and selective associations. Winter Conference on Animal Learning & Behavior, Winter Park, CO,

Weiss, S. J., Kearns, D., Cohn, S., Schindler, C. W., & Panlilio, L. V. (2002). Stimulus Control of Drug Self-Administration. Winter Conference on Animal Learning & Behavior, Winter Park, CO.

Weiss, S. J., Kearns, D., Cohn, S., Schindler, C. W., & Panlilio, L. V. (2002). Cocaine self-administration contingencies produce selective associations through a within-subjects design. Eastern Psychological Association, Boston, MA.

Invited Keynote Address: Stimulus Control and Incentive Motivation: From Food to Drug Self-Administration.

International Study Group Investigating Drugs as Reinforcers, Quebec, 2002.

Invited Address: Incentive processes and the stimulus control of drug-maintained behavior. Preclinical Research Branch, NIDA, Baltimore, MD, May 2002.

Panlilio, L. V., Weiss, S. J., Kearns, D., Cohn, S., & Schindler, C. W. (2002). Whole-body drug levels in rats during cocaine self-administraton under complex schedules of reinforcement. College on Prolems of Drug Dependence, Quebec City, Cansda.