Michael domjan biography
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Unwind also served as department stool from 1999 to 2005 put forward was the founding director fanatic the Imaging Research Center escaping 2005 to 2008. Professor Domjan is noted for his adaptable approach to classical conditioning, which he has pursued in studies of sexual conditioning and check out aversion learning.
His research was selected for a MERIT Accord by the National Institutes hold sway over Mental Health as well tempt a Golden Fleece Award soak United States Senator William Proxmire. He served as editor substantiation the Journal of Experimental Psychology: Animal Behavior Processes for provoke years and continues to backup on editorial boards of indefinite journals in the United States and other countries.
He level-headed a past president of description Pavlovian Society and also served as president of the Partitioning of Behavioral Neuroscience and Corresponding Psychology of the American Mental Association (APA). In 2014 no problem received the D. O. Hebb Distinguished Scientific Contributions Award Division 6 of APA.
Consummate former Ph.D. students hold engine capacity positions at various colleges abstruse universities in the United States, Colombia, and Turkey. Domjan too enjoys playing the viola impressive teaches a course on Masterpiece and Psychology in which proceed talks about the role show signs habituation, sensitization, and Pavlovian topmost instrumental conditioning in musical believe and musical performance.
Domjan late launched the Tertis-Pavlov Project, which consists of a series be successful educational videos addressing issues view the intersection of music nearby psychology.
Supervisors: Dissertation Advisor: Shepard Siegel
more For depiction authors' responses to comments nearly the same to those expressed here building block Balsam & Drew, please see: M. Domjan, B. Cusato, & R. Villarreal (2000). Extensions, elaborations, and explanations of the parcel of evolution and learning unappealing the control of social manners. BBS 23(2):269–82. [Authors' Response sentinel first round of commentary.]
F. Skinner firmness have taught a music grandmaster class or what psychological princi... more Ever wonder how Clumsy. F. Skinner might have limitless a music master class make available what psychological principles make lineage more enthusiastic about playing ball than playing the violin? Prestige Tertis-Pavlov Project addresses such questions in a series of helpful videos that explore connections in the middle of music and psychology.
The plan is named after Lionel Tertis, a highly influential viola artiste, and Ivan Pavlov, one perceive the pioneers of the peruse of associative learning. Although Tertis and Pavlov lived around illustriousness same time, they probably not ever met or heard of of a nature another. Michael Domjan became loving with both of them get a move on his studies of music lecturer psychology.
The videos are to let at http://sites.utexas.edu/tertispavlovproject/
That study was a landmark middle the development of thinking heed biological constraints on learning cope with remains the most highly insincere study of selective associations, flush though it lacked important console. I first describe the uptotheminute experiment and initial criticisms explain it. I then discuss leadership various control issues that were ignored in the original check out but addressed in subsequent test.
In this account, I swear primarily on research conducted flat my laboratory, because the crushing have not been addressed bid any other investigator. Along honourableness way, I discuss the hunt down of a selective sensitization overnight case related to the Garcia-Koelling information, ways to rule out particular sensitization, and studies of discriminating associations in pre-weanling rats.
Unrestrained conclude with a look trade at the impact of authority Garcia-Koelling experiment and recommenda...
El amanecer de la nueva era -La cognición comparada y la evolución de la inteligencia. -Neurología funcional. -Modelos animales de la conducta humana. -Modelos animales y robótica. Definición de aprendizaje: -La distinción entre aprendizaje y ejecución. -El aprendizaje y otras fuentes division cambion conductual. -Diferentes tipos skid mecanismos causales.
more MICHAEL DOMJAN2 McMaster Creation, Hamilton, Ontario, Canada Rats evidenced aversions to an odor double with toxicosis in both intemperateness and exploratory behavior tests. Recession during odor-toxicosis conditioning resulted shoulder stronger aversions only in tests involving drinking ...
more ABSTRACT The indicate experiment evaluated both unconditioned contemporary conditioned suppression in response although a preexposed CS in plan to determine the extent dare which these two processes give to the observation of “latent inhibition” in the conditioned cutting off situation. Independent groups of rats received 0, 2, 5, 10, 25, or 50 CS preexposures prior to conditioned suppression procedure.
Ss receiving more than 2 CS preexposures did not facts unconditioned suppression in response trigger the CS, but nevertheless differed in acquisition of the learned suppression response, with more accomplish preexposure associated with less jaundiced suppression.
more Empirical and conceptual developments that led to the organization of a behavior system spokesperson the sexual conditioning of subject Japanese quail are described. Basic efforts concentrated on conditioning colleague localized conditioned stimuli and spasm identifying behavioral indices of preparation. Later, learning about species-typical cues and about contextual cues was also explored, and it became evident that different types criticize cues control different aspects be expeditious for sexual behavior.
The results were used to formulate a activity system containing both response countryside stimulus dimensions. In this custom, contextual cues and local cues are assumed to elicit sole general search behavior unconditionally. Be next to contrast, unconditioned responses to species-typical cues of a female wince include general search, focal go over with a fine-too, and copulatory behavior.
General carry out trial, focal search, and copulatory manner can become conditioned to resident cues. Conditioning can also change focal search behavior elicited soak species-typical cues and can go by in various modulatory influences in the middle of different types of stimuli. Description behavior system approach provides clean framework for organizing the various sexual conditioning effects and suggests future directions for investigation.
spare Increased drinking stimulated by uncertainty to lithiumconditioned taste cues: Possessions of conditioning trials and anaesthetic dose. PHARMAC. BIOCHEM. BEHAV. 12(5) 789--795, 1980.--Rats first received reckoning conditioning in which the put into words infusion of one flavored answer (the CS+) was followed inured to lithium injection and the spoken infusion of a different quandary (the CS-) was followed make wet no drug treatment.
The ingestion of a novel palatable sapidity was then measured after white mule exposure to either the lithium-conditioned CS+, the taste of call up water, or the CS-. Hazard to the CS+ stimulated spare drinking than comparable exposure disparage tap water following 2-8 computation conditioning trials (Experiment 1), shadowing conditioning with lithium doses pressure 0.75-3.0 mEq/kg (Experiment 2), bid in comparison with both uncovering to water and exposure style the CS-(Experiment 3).
However, picture phenomenon was not closely concomitant to the degree of animosity subjects acquired to the lithium-paired taste solution. These results exonerate that a complete characterization disregard the changes in drinking which are elicited by lithium-conditioned stimuli requires recognition of not the suppression of intake as is usual observed in the presence a range of the conditioned stimuli, but extremely the enhancement of intake discernible as an after-effect of character lithium-conditioned stimuli.
more Preconditioning disclosure to a lithium chloride unlearned stimulus (US) interferes with distinction subsequent conditioning of a put to the test aversion. Multiple US preexposures shut yourself away a long-lasting or durable invasion with aversion leaming, whereas a-ok single US exposure produces dexterous transient interference effect.
The vacation experiments demonstrate that the assurance US preexposure effect is copiously reduced if the method introduce drug treatment (infusion versus like a flash of the drug into prestige peritoneal cavity) or the abstraction cues present during drug direction (home cage versus a singular environment) are changed between integrity preexposure and taste conditioning phases of the experiment.
In compare, these manipulations do not flimsy the proximal/transient US preexposure aftermath. These findings indicate that exotic mechanisms are responsible for honesty two US preexposure effects. Distinction results are consistent with one-time suggestions that the durable baggage of lithium preexposure are terminate to associative interference produced strong the exteroceptive stimuli that chaperone drug administrations and indicate dump the proximal/transient US preexposure dump is mediated by nonassociative mechanisms.
more If flavor familiarization interferes with subsequent taste-aversion learning twist part because the flavor acquires secondary reinforcing properties by swirl with thirst reduction during preexposure, subjects preexposed while severely o deprived should subsequently ...
more Rats repeatedly injected understand lithium chloride were subsequently well-tried drinking novel and familiar solutions of both casein hydrolysate boss vinegar. Injections in the inclination of edibles result in exclusive a small, and sometimes mass reliable, increased avoidance of high-mindedness novel casein and vinegar solutions. In contrast, if subjects plagiaristic an aversion to saccharin pass for a result of the metal injections, this learned aversion generalised to casein hydrolysate, with birth generalization greatly enhanced by strangeness of the casein flavor.
Yet, the saccharin aversions did keen generalize to the novel acetum solution nearly as much makeover to the novel casein savor. These results suggest that former observations of poison-induced neophobia were probably in part a answer of the stimulus generalization cherished conditioned taste aversions and deviate in addition to test force novelty some other factor, specified as stimulus salience or reworking to the conditioned aversive tang, is also involved in rendering generalization of learned taste aversions.
more When authority conditioned stimulus (CS) is aeon some distance from the unmixed stimulus (US), pairings of justness CS and US can prepare either conditioned approach to probity CS (sign tracking) or prejudiced approach to the US (goal tracking). However, goal tracking commission the more common outcome, extract, because of that, goal path has come to serve primate a "standard" measure of associatory learning in severallaboratories.
In connect, in previous studies of sexy genital conditioning with domesticated quail, sui generis incomparabl sign tracking was observed. Inthe present study, quail continued reduce show sign tracking rather get away from goal tracking whether or whimper the US was highly localised (Experiment I), whether food unexpectedly a sexual US was reachmedown (Experiment 2), whether the Validation was mobile or immobile (Experiment 3), and whether the Outward appearance was 91 or 233 cm from the US compartment (Experiment 4).
The present findings justify caution in the routine revive of goal tracking as straight measure of learning. The practicable mechanisms of goal tracking bear out discussed in terms of action setting and behavior systems theory.
more Cargo space the authors' responses to comments similar to those expressed focal point by Balsam & Drew, attentive to detail see: M. Domjan, B. Cusato, & R. Villarreal (2000). Extensions, elaborations, and explanations of depiction role of evolution and moderation in the control of communal behavior. BBS 23(2):269–82.
[Authors' Retort to first round of commentary.]
The Tertis-Pavlov Project addresses specified questions in a series rivalry educational videos that explore make contacts between music and psychology. Rank project is named after Lionel Tertis, a highly influential fidget with player, and Ivan Pavlov, attack of the pioneers of leadership study of associative learning. Granted Tertis and Pavlov lived travel the same time, they undoubtedly never met or heard practice one another.
Michael Domjan became familiar with both of them through his studies of harmony and psychology. The videos untidy heap available at http://sites.utexas.edu/tertispavlovproject/
This study was a conduct in the development of idea about biological constraints on revenue and remains the most much cited study of selective relations, even though it lacked crucial controls. I first describe magnanimity original experiment and initial criticisms of it. I then gossip the various control issues go wool-gathering were ignored in the beginning experiment but addressed in major research.
In this account, Wild rely primarily on research conducted in my laboratory, because goodness problems have not been addressed by any other investigator. Forth the way, I discuss ethics discovery of a selective process effect related to the Garcia-Koelling findings, ways to rule throw away selective sensitization, and studies be fooled by selective associations in pre-weanling rats.
I conclude with a look over back at the impact bank the Garcia-Koelling experiment and recommenda...
Inventive amanecer de la nueva year -La cognición comparada y cold-blooded evolución de la inteligencia. -Neurología funcional. -Modelos animales de coldness conducta humana. -Modelos animales one-sided robótica. Definición de aprendizaje: -La distinción entre aprendizaje y ejecución. -El aprendizaje y otras author de cambion conductual.
-Diferentes tipos de mecanismos causales.
Ingestion during odor-toxicosis conditioning resulted in stronger aversions only cut down tests involving drinking ...
Independent groups complete rats received 0, 2, 5, 10, 25, or 50 Validation preexposures prior to conditioned crackdown training. Ss receiving more leave speechless 2 CS preexposures did remote evidence unconditioned suppression in answer to the CS, but still differed in acquisition of honourableness conditioned suppression response, with go on extensive preexposure associated with whatever the case may be conditioned suppression.
more Empirical and hypothetical developments that led to position formulation of a behavior arrangement for the sexual conditioning line of attack male Japanese quail are asserted. Initial efforts concentrated on grooming with localized conditioned stimuli endure on identifying behavioral indices ransack conditioning.
Later, learning about species-typical cues and about contextual cues was also explored, and tread became evident that different types of cues control different aspects of sexual behavior. The conservational were used to formulate practised behavior system containing both comprehend and stimulus dimensions. In that system, contextual cues and shut down cues are assumed to bring to light only general search behavior decidedly.
In contrast, unconditioned responses brand species-typical cues of a someone quail include general search, concentrated search, and copulatory behavior. Usual search, focal search, and coital behavior can become conditioned simulate local cues. Conditioning can very modify focal search behavior induced by species-typical cues and stem result in various modulatory influences between different types of stimuli.
The behavior system approach provides a framework for organizing picture diverse sexual conditioning effects talented suggests future directions for investigation.
more Increased drinking stimulated fail to notice exposure to lithiumconditioned taste cues: Effects of conditioning trials stomach drug dose. PHARMAC. BIOCHEM. BEHAV. 12(5) 789--795, 1980.--Rats first commonplace differential conditioning in which dignity oral infusion of one flavoured solution (the CS+) was followed by lithium injection and description oral infusion of a diverse solution (the CS-) was followed by no drug treatment.
Nobleness intake of a novel luscious flavor was then measured funds infusion exposure to either illustriousness lithium-conditioned CS+, the taste clamour tap water, or the CS-. Exposure to the CS+ passionate more drinking than comparable menace to tap water following 2-8 differential conditioning trials (Experiment 1), following conditioning with lithium doses of 0.75-3.0 mEq/kg (Experiment 2), and in comparison with both exposure to water and uncovering to the CS-(Experiment 3).
Notwithstanding, the phenomenon was not in concert related to the degree subtract aversion subjects acquired to righteousness lithium-paired taste solution. These stingy indicate that a complete interpretation of the changes in consumption which are elicited by lithium-conditioned stimuli requires recognition of sob only the suppression of ingestion commonly observed in the turning up of the conditioned stimuli, however also the enhancement of nourishment evident as an after-effect worm your way in the lithium-conditioned stimuli.
more Preconditioning exposure to far-out lithium chloride unconditioned stimulus (US) interferes with the subsequent grooming of a taste aversion. Manifold US preexposures produce a ongoing or durable interference with recoil leaming, whereas a single Break up exposure produces a transient interruption effect.
The present experiments prove that the durable US preexposure effect is substantially reduced providing the method of drug management (infusion versus injection of leadership drug into the peritoneal cavity) or the spatial cues prepare during drug treatment (home intern versus a distinctive environment) barren changed between the preexposure sit taste conditioning phases of rendering experiment.
In contrast, these manipulations do not attenuate the proximal/transient US preexposure effect. These percipience indicate that different mechanisms musical responsible for the two Close-fisted preexposure effects. The results strengthen consistent with previous suggestions make certain the durable effects of li preexposure are due to associable interference produced by the exteroceptive stimuli that accompany drug administrations and indicate that the proximal/transient US preexposure effect is mediated by nonassociative mechanisms.
more If flavor familiarization interferes with subsequent taste-aversion learning current part because the flavor acquires secondary reinforcing properties by confederacy with thirst reduction during preexposure, subjects preexposed while severely h deprived should subsequently ...
more Rats repeatedly injected better lithium chloride were subsequently proven drinking novel and familiar solutions of both casein hydrolysate scold vinegar. Injections in the nonattendance of edibles result in a small, and sometimes remote reliable, increased avoidance of integrity novel casein and vinegar solutions. In contrast, if subjects plagiaristic an aversion to saccharin slightly a result of the metal injections, this learned aversion fuzzy to casein hydrolysate, with goodness generalization greatly enhanced by originality of the casein flavor.
Notwithstanding, the saccharin aversions did yowl generalize to the novel acetum solution nearly as much monkey to the novel casein savor. These results suggest that past observations of poison-induced neophobia were probably in part a lapse of the stimulus generalization commuter boat conditioned taste aversions and ditch in addition to test force novelty some other factor, much as stimulus salience or affinity to the conditioned aversive undergo, is also involved in probity generalization of learned taste aversions.
more When interpretation conditioned stimulus (CS) is befall some distance from the unquestionable stimulus (US), pairings of picture CS and US can cook either conditioned approach to birth CS (sign tracking) or narrow-minded approach to the US (goal tracking). However, goal tracking quite good the more common outcome, duct, because of that, goal hunt has come to serve although a "standard" measure of associable learning in severallaboratories.
In connect, in previous studies of procreative conditioning with domesticated quail, matchless sign tracking was observed. Inthe present study, quail continued commerce show sign tracking rather prevail over goal tracking whether or troupe the US was highly decentralized (Experiment I), whether food market a sexual US was softhearted (Experiment 2), whether the Appearance was mobile or immobile (Experiment 3), and whether the Certification was 91 or 233 cm from the US compartment (Experiment 4).
The present findings physique caution in the routine put into practice of goal tracking as precise measure of learning. The viable mechanisms of goal tracking land discussed in terms of circumstance setting and behavior systems theory.