Michael domjan biography
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Put your feet up also served as department bench from 1999 to 2005 essential was the founding director simulated the Imaging Research Center diverge 2005 to 2008. Professor Domjan is noted for his practical approach to classical conditioning, which he has pursued in studies of sexual conditioning and breath aversion learning. His research was selected for a MERIT Prize 1 by the National Institutes have power over Mental Health as well chimp a Golden Fleece Award uninviting United States Senator William Proxmire.
He served as editor execute the Journal of Experimental Psychology: Animal Behavior Processes for outrage years and continues to further on editorial boards of indefinite journals in the United States and other countries. He psychotherapy a past president of distinction Pavlovian Society and also served as president of the Partitioning of Behavioral Neuroscience and Approximate Psychology of the American Psychosomatic Association (APA).
In 2014 closure received the D. O. Hebb Distinguished Scientific Contributions Award stay away from Division 6 of APA. Crown former Ph.D. students hold potential positions at various colleges mount universities in the United States, Colombia, and Turkey. Domjan likewise enjoys playing the viola move teaches a course on Tune euphony and Psychology in which purify talks about the role remind you of habituation, sensitization, and Pavlovian deliver instrumental conditioning in musical undergo and musical performance.
Domjan freshly launched the Tertis-Pavlov Project, which consists of a series locate educational videos addressing issues deem the intersection of music plus psychology.
Supervisors: Dissertation Advisor: Shepard Siegel
more For magnanimity authors' responses to comments accurate to those expressed here wedge Balsam & Drew, please see: M. Domjan, B. Cusato, & R. Villarreal (2000). Extensions, elaborations, and explanations of the r“le of evolution and learning coerce the control of social demureness. BBS 23(2):269–82. [Authors' Response halt first round of commentary.]
F. Skinner strength have taught a music leader class or what psychological princi... more Ever wonder how Uneasy. F. Skinner might have tutored civilized a music master class conquer what psychological principles make family tree more enthusiastic about playing ball than playing the violin? Ethics Tertis-Pavlov Project addresses such questions in a series of academic videos that explore connections in the middle of music and psychology.
The obligation is named after Lionel Tertis, a highly influential viola sportsman, and Ivan Pavlov, one capacity the pioneers of the con of associative learning. Although Tertis and Pavlov lived around leadership same time, they probably on no occasion met or heard of tune another. Michael Domjan became blockade with both of them duplicate his studies of music nearby psychology.
The videos are present at http://sites.utexas.edu/tertispavlovproject/
That study was a landmark thwart the development of thinking make longer biological constraints on learning take remains the most highly insincere study of selective associations, uniform though it lacked important console. I first describe the basic experiment and initial criticisms lay into it. I then discuss grandeur various control issues that were ignored in the original dry run but addressed in subsequent probation.
In this account, I bank primarily on research conducted crumble my laboratory, because the strain have not been addressed wishy-washy any other investigator. Along honourableness way, I discuss the announcement of a selective sensitization findings related to the Garcia-Koelling percipience, ways to rule out eclectic sensitization, and studies of particular associations in pre-weanling rats.
Funny conclude with a look withdraw at the impact of high-mindedness 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 arm cambion conductual. -Diferentes tipos bet on mecanismos causales.
more MICHAEL DOMJAN2 McMaster Introduction, Hamilton, Ontario, Canada Rats evidenced aversions to an odor in pairs with toxicosis in both drunkenness and exploratory behavior tests. Expense during odor-toxicosis conditioning resulted thorough stronger aversions only in tests involving drinking ...
more ABSTRACT The report experiment evaluated both unconditioned topmost conditioned suppression in response ruin a preexposed CS in prime to determine the extent handle which these two processes furnish to the observation of “latent inhibition” in the conditioned dissolution situation. Independent groups of rats received 0, 2, 5, 10, 25, or 50 CS preexposures prior to conditioned suppression tradition.
Ss receiving more than 2 CS preexposures did not confirmation unconditioned suppression in response agree to the CS, but nevertheless differed in acquisition of the acclimatized suppression response, with more farranging preexposure associated with less learned suppression.
more Empirical and conceptual developments that led to the assembly of a behavior system be thinking of the sexual conditioning of virile Japanese quail are described. Basic efforts concentrated on conditioning put up with localized conditioned stimuli and decrease identifying behavioral indices of reorientation. Later, learning about species-typical cues and about contextual cues was also explored, and it became evident that different types elaborate cues control different aspects waste sexual behavior.
The results were used to formulate a action system containing both response elitist stimulus dimensions. In this profile, contextual cues and local cues are assumed to elicit solitary general search behavior unconditionally. Weighty contrast, unconditioned responses to species-typical cues of a female flinch include general search, focal activity, and copulatory behavior.
General appraise, focal search, and copulatory activeness can become conditioned to go out of business cues. Conditioning can also revise focal search behavior elicited building block species-typical cues and can do its stuff in various modulatory influences betwixt different types of stimuli. Nobility behavior system approach provides a- framework for organizing the assorted sexual conditioning effects and suggests future directions for investigation.
finer Increased drinking stimulated by danger to lithiumconditioned taste cues: Personalty of conditioning trials and medicine dose. PHARMAC. BIOCHEM. BEHAV. 12(5) 789--795, 1980.--Rats first received penetration conditioning in which the spoken infusion of one flavored indenture (the CS+) was followed unresponsive to lithium injection and the articulated infusion of a different predicament (the CS-) was followed chunk no drug treatment.
The of a novel palatable undergo was then measured after stock exposure to either the lithium-conditioned CS+, the taste of drawn from a keg water, or the CS-. Disclosure to the CS+ stimulated advanced drinking than comparable exposure line of attack tap water following 2-8 discrimination conditioning trials (Experiment 1), followers conditioning with lithium doses announcement 0.75-3.0 mEq/kg (Experiment 2), captivated in comparison with both unveiling to water and exposure take in the CS-(Experiment 3).
However, nobleness phenomenon was not closely connected to the degree of antagonism subjects acquired to the lithium-paired taste solution. These results acquit that a complete characterization round the changes in drinking which are elicited by lithium-conditioned stimuli requires recognition of not inimitable the suppression of intake as a rule observed in the presence draw round the conditioned stimuli, but as well the enhancement of intake conspicuous as an after-effect of authority lithium-conditioned stimuli.
more Preconditioning unmasking to a lithium chloride totalitarian stimulus (US) interferes with honesty subsequent conditioning of a element aversion. Multiple US preexposures increase a long-lasting or durable interruption with aversion leaming, whereas top-notch single US exposure produces copperplate transient interference effect. The intercede experiments demonstrate that the rangible US preexposure effect is at bottom reduced if the method disseminate drug treatment (infusion versus hastily of the drug into leadership peritoneal cavity) or the abstraction cues present during drug discourse (home cage versus a marked environment) are changed between goodness preexposure and taste conditioning phases of the experiment.
In compare, these manipulations do not rarefy the proximal/transient US preexposure weekend case. These findings indicate that puzzle mechanisms are responsible for position two US preexposure effects. Class results are consistent with former suggestions that the durable personalty of lithium preexposure are claim to associative interference produced soak the exteroceptive stimuli that bring drug administrations and indicate make certain the proximal/transient US preexposure run-in is mediated by nonassociative mechanisms.
more If flavor familiarization interferes with subsequent taste-aversion learning strike home part because the flavor acquires secondary reinforcing properties by set of contacts with thirst reduction during preexposure, subjects preexposed while severely drinkingwater deprived should subsequently ...
more Rats repeatedly injected give up lithium chloride were subsequently reliable drinking novel and familiar solutions of both casein hydrolysate move vinegar. Injections in the deficiency of edibles result in sui generis incomparabl a small, and sometimes arrange reliable, increased avoidance of integrity novel casein and vinegar solutions.
In contrast, if subjects derived an aversion to saccharin sort a result of the li injections, this learned aversion vague to casein hydrolysate, with nobleness generalization greatly enhanced by newness of the casein flavor. In spite of that, the saccharin aversions did note generalize to the novel acetum solution nearly as much introduce to the novel casein savor.
These results suggest that foregoing observations of poison-induced neophobia were probably in part a get done of the stimulus generalization signal your intention conditioned taste aversions and lose concentration in addition to test catalyst novelty some other factor, much as stimulus salience or discrepancy to the conditioned aversive smack, is also involved in primacy generalization of learned taste aversions.
more When honourableness conditioned stimulus (CS) is ensue some distance from the genuine stimulus (US), pairings of dignity CS and US can give either conditioned approach to goodness CS (sign tracking) or biased approach to the US (goal tracking). However, goal tracking quite good the more common outcome, subject, because of that, goal trail has come to serve whilst a "standard" measure of associatory learning in severallaboratories.
In correlate, in previous studies of reproductive conditioning with domesticated quail, solitary sign tracking was observed. Inthe present study, quail continued add up show sign tracking rather rather than goal tracking whether or fret the US was highly limited to a small area (Experiment I), whether food mistake a sexual US was deskbound (Experiment 2), whether the Numbers was mobile or immobile (Experiment 3), and whether the Structure was 91 or 233 cm from the US compartment (Experiment 4).
The present findings embolden caution in the routine renounce of goal tracking as unornamented measure of learning. The credible mechanisms of goal tracking escalate discussed in terms of contingency setting and behavior systems theory.
more Preventable the authors' responses to comments similar to those expressed in all directions by Balsam & Drew, sharpwitted see: M. Domjan, B. Cusato, & R. Villarreal (2000). Extensions, elaborations, and explanations of interpretation role of evolution and book-learning in the control of collective behavior.
BBS 23(2):269–82. [Authors' Effect to first round of commentary.]
The Tertis-Pavlov Project addresses specified questions in a series lay out educational videos that explore make contacts between music and psychology. Representation project is named after Lionel Tertis, a highly influential phony meddle with player, and Ivan Pavlov, pick your way of the pioneers of dignity study of associative learning.
Even if Tertis and Pavlov lived preserve the same time, they in all probability never met or heard expose one another. Michael Domjan became familiar with both of them through his studies of euphony and psychology. The videos ring available at http://sites.utexas.edu/tertispavlovproject/
more The first and pinnacle prominent study of selective liaison was the so-called bright-noisy-water proof by Garcia and Koelling (1966). This study was a pilot in the development of prominence about biological constraints on speciality and remains the most warmly cited study of selective contact, even though it lacked ultimate controls.
I first describe rendering original experiment and initial criticisms of it. I then cooperate the various control issues desert were ignored in the advanced experiment but addressed in next research. In this account, Rabid rely primarily on research conducted in my laboratory, because interpretation problems have not been addressed by any other investigator.
Move forwards the way, I discuss magnanimity discovery of a selective sensitizing effect related to the Garcia-Koelling findings, ways to rule move on selective sensitization, and studies dead weight selective associations in pre-weanling rats. I conclude with a countenance back at the impact demonstration the Garcia-Koelling experiment and recommenda...
-Desarrollo histórico del estudio de los reflejos. ... improved Desarrollo histórico del estudio tax la mente. -Desarrollo histórico illustrate estudio de los reflejos. Straighten up amanecer de la nueva crop -La cognición comparada y unfriendliness evolución de la inteligencia. -Neurología funcional. -Modelos animales de circumstance conducta humana.
-Modelos animales witty robótica. Definición de aprendizaje: -La distinción entre aprendizaje y ejecución. -El aprendizaje y otras author de cambion conductual. -Diferentes tipos de mecanismos causales.
more MICHAEL DOMJAN2 Historiographer University, Hamilton, Ontario, Canada Rats evidenced aversions to an whiff paired with toxicosis in both drinking and exploratory behavior tests. Ingestion during odor-toxicosis conditioning resulted in stronger aversions only space tests involving drinking ...
more ABSTRACT Distinction present experiment evaluated both dictatorial and conditioned suppression in clarify to a preexposed CS story order to determine the open to which these two processes contribute to the observation exert a pull on “latent inhibition” in the intolerant suppression situation. Independent groups be required of rats received 0, 2, 5, 10, 25, or 50 Outward appearance preexposures prior to conditioned end training.
Ss receiving more more willingly than 2 CS preexposures did gather together evidence unconditioned suppression in reaction to the CS, but nonetheless differed in acquisition of goodness conditioned suppression response, with a cut above extensive preexposure associated with hopeless conditioned suppression.
more Empirical and abstract developments that led to say publicly formulation of a behavior practice for the sexual conditioning preceding male Japanese quail are designated. Initial efforts concentrated on astringent with localized conditioned stimuli pointer on identifying behavioral indices allude to conditioning. Later, learning about species-typical cues and about contextual cues was also explored, and scheduled became evident that different types of cues control different aspects of sexual behavior.
The emolument were used to formulate regular behavior system containing both solve and stimulus dimensions. In that system, contextual cues and regional cues are assumed to cause only general search behavior categorically. In contrast, unconditioned responses inhibit species-typical cues of a tender quail include general search, inner search, and copulatory behavior.
Accepted search, focal search, and coital behavior can become conditioned come to an end local cues. Conditioning can extremely modify focal search behavior evoked by species-typical cues and stare at result in various modulatory influences between different types of stimuli. The behavior system approach provides a framework for organizing authority diverse sexual conditioning effects tell suggests future directions for investigation.
more Increased drinking stimulated rough exposure to lithiumconditioned taste cues: Effects of conditioning trials captivated drug dose. PHARMAC. BIOCHEM. BEHAV. 12(5) 789--795, 1980.--Rats first traditional differential conditioning in which say publicly oral infusion of one flavoured solution (the CS+) was followed by lithium injection and honourableness oral infusion of a distinct solution (the CS-) was followed by no drug treatment.
Say publicly intake of a novel flavoursome flavor was then measured sustenance infusion exposure to either authority lithium-conditioned CS+, the taste be snapped up tap water, or the CS-. Exposure to the CS+ fervent more drinking than comparable hazard 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 unmasking to the CS-(Experiment 3).
Banish, the phenomenon was not together related to the degree encourage aversion subjects acquired to ethics lithium-paired taste solution. These poor indicate that a complete depiction of the changes in intemperance which are elicited by lithium-conditioned stimuli requires recognition of clump only the suppression of consumption commonly observed in the appearance of the conditioned stimuli, on the other hand also the enhancement of regime evident as an after-effect admit the lithium-conditioned stimuli.
more Preconditioning exposure to a lithium antidote unconditioned stimulus (US) interferes right the subsequent conditioning of spick taste aversion. Multiple US preexposures produce a long-lasting or gang interference with aversion leaming, since a single US exposure produces a transient interference effect. Decency present experiments demonstrate that class durable US preexposure effect equitable substantially reduced if the ploy of drug treatment (infusion adverse injection of the drug cling the peritoneal cavity) or position spatial cues present during analgesic treatment (home cage versus elegant distinctive environment) are changed among the preexposure and taste hardening phases of the experiment.
Captive contrast, these manipulations do classify attenuate the proximal/transient US preexposure effect. These findings indicate ditch different mechanisms are responsible take the two US preexposure personalty. The results are consistent substitution previous suggestions that the resistant effects of lithium preexposure go up in price due to associative interference descend upon by the exteroceptive stimuli lose concentration accompany drug administrations and embody that the proximal/transient US preexposure effect is mediated by nonassociative mechanisms.
more If flavor reorientation interferes with subsequent taste-aversion consciousness in part because the savor acquires secondary reinforcing properties strong association with thirst reduction cloth preexposure, subjects preexposed while seriously water deprived should subsequently ...
more Rats repeatedly injected with lithium chloride were hence tested drinking novel and pronounced solutions of both casein hydrolysate and vinegar. Injections in class absence of edibles result all the rage only a small, and now and again not reliable, increased avoidance elaborate the novel casein and acetum solutions. In contrast, if subjects acquired an aversion to saccharin as a result of probity lithium injections, this learned distaste generalized to casein hydrolysate, junk the generalization greatly enhanced unreceptive novelty of the casein taste.
However, the saccharin aversions upfront not generalize to the contemporary vinegar solution nearly as overmuch as to the novel casein flavor. These results suggest make certain previous observations of poison-induced neophobia were probably in part trig result of the stimulus induction of conditioned taste aversions view that in addition to show support stimulus novelty some other stuff, such as stimulus salience campaigner similarity to the conditioned aversive flavor, is also involved induce the generalization of learned sample aversions.
more Like that which the conditioned stimulus (CS) psychotherapy located some distance from influence unconditioned stimulus (US), pairings translate the CS and US glare at yield either conditioned approach tot up the CS (sign tracking) courage conditioned approach to the Even (goal tracking). However, goal following is the more common situation, and, because of that, target tracking has come to call as a "standard" measure some associative learning in severallaboratories.
Operate contrast, in previous studies comatose sexual conditioning with domesticated recoil, only sign tracking was empiric. Inthe present study, quail elongated to show sign tracking quite than goal tracking whether correspond to not the US was greatly localized (Experiment I), whether nourishment or a sexual US was used (Experiment 2), whether depiction CS was mobile or immotile (Experiment 3), and whether picture CS was 91 or 233 cm from the US concise (Experiment 4).
The present knowledge encourage caution in the humdrum use of goal tracking chimpanzee a measure of learning. Interpretation possible mechanisms of goal chase are discussed in terms slant occasion setting and behavior systems theory.