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Author |
Boughner, R.L.; Papini, M.R. |
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Title |
Appetitive latent inhibition in rats: preexposure performance does not predict conditioned performance |
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Journal Article |
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Year |
2006 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
72 |
Issue |
1 |
Pages |
42-51 |
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Keywords |
Animals; *Appetitive Behavior; Association Learning; *Conditioning, Classical; *Habituation, Psychophysiologic; Individuality; *Inhibition (Psychology); Male; Motivation; Rats; Rats, Wistar; *Reaction Time |
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Abstract |
Nonreinforced preexposure to a conditioned stimulus impairs subsequent conditioning with that stimulus. The goal of these studies was to assess the extent to which acquisition performance could be predicted from preexposure performance using a correlational approach. For both preexposure and autoshaping, four measures of performance were computed, including overall average lever pressing, lever pressing in the initial session, percentage change in lever pressing, and slopes. These measures were correlated in a large sample of rats trained in an autoshaping situation. None of the three measures of autoshaping performance was consistently predicted by any of the three measures of preexposure performance. These results are consistent with the view that latent inhibition is not reducible to long-term habituation. |
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Department of Psychology, Texas Christian University, TX 76129, United States |
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English |
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0376-6357 |
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PMID:16406375 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4147 |
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Author |
Call, J.; Brauer, J.; Kaminski, J.; Tomasello, M. |
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Title |
Domestic dogs (Canis familiaris) are sensitive to the attentional state of humans |
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Journal Article |
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Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
117 |
Issue |
3 |
Pages |
257-263 |
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Keywords |
Animals; *Appetitive Behavior; *Attention; *Bonding, Human-Pet; *Concept Formation; Cues; Dogs/*psychology; Female; Humans; *Inhibition (Psychology); Male; Nonverbal Communication |
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Abstract |
Twelve domestic dogs (Canis familiaris) were given a series of trials in which they were forbidden to take a piece of visible food. In some trials, the human continued to look at the dog throughout the trial (control condition), whereas in others, the human (a) left the room, (b) turned her back, (c) engaged in a distracting activity, or (d) closed her eyes. Dogs behaved in clearly different ways in most of the conditions in which the human did not watch them compared with the control condition, in which she did. In particular, when the human looked at them, dogs retrieved less food, approached it in a more indirect way, and sat (as opposed to laid down) more often than in the other conditions. Results are discussed in terms of domestic dogs' social-cognitive skills and their unique evolutionary and ontogenetic histories. |
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Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. call@eva.mpg.de |
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Washington, D.C. : 1983 |
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English |
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ISSN |
0735-7036 |
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PMID:14498801 |
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Call Number |
refbase @ user @ |
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713 |
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Author |
Coleman, K.; Tully, L.A.; McMillan, J.L. |
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Title |
Temperament correlates with training success in adult rhesus macaques |
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Journal Article |
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Year |
2005 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
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Volume |
65 |
Issue |
1 |
Pages |
63-71 |
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Keywords |
Animals; Female; *Inhibition (Psychology); *Learning; Macaca mulatta/*psychology; *Reinforcement (Psychology); *Temperament |
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Abstract |
In recent years there has been a marked increase in awareness of issues involving the psychological well-being of nonhuman primates (NHPs) used in biomedical research. As a result, many facilities are starting to train primates to voluntarily cooperate with veterinary, husbandry, and research procedures, such as remaining still for blood draws or injections. Such training generally reduces the stress associated with these procedures, resulting in calmer animals and, ultimately, better research models. However, such training requires great investments in time, and there can be vast individual differences in training success. Some animals learn tasks quickly, while others make slower progress in training. In this study, we examined whether temperament, as measured by response to a novel food object, correlated with the amount of time it took to train 20 adult female rhesus macaques to perform a simple task. The monkeys were categorized as “exploratory” (i.e., inspected a novel object placed in the home cage within 10 sec), “moderate” (i.e., inspected the object within 10-180 sec), or “inhibited” (i.e., did not inspect the object within 3 min). We utilized positive reinforcement techniques to train the monkeys to touch a target (PVC pipe shaped like an elbow) hung on their cage. Temperament correlated with training success in this study (Pearson chi2=7.22, df=2, P=0.03). We easily trained over 75% of the animals that inspected the novel food (i.e., exploratory or moderate individuals) to touch the target. However, only 22% of the inhibited monkeys performed the task. By knowing which animals may not respond to conventional training methods, we may be able to develop alternate training techniques to address their specific needs. In addition, these results will allow us to screen monkeys to be assigned to research projects in which they will be trained, with the goal of obtaining the best candidates for those studies. |
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Oregon National Primate Research Center, Beaverton, Oregon 97006, USA. colemank@ohsu.edu |
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ISSN |
0275-2565 |
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PMID:15645460 |
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Call Number |
Equine Behaviour @ team @ |
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4112 |
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Author |
Gibson, B.M.; Juricevic, I.; Shettleworth, S.J.; Pratt, J.; Klein, R.M. |
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Title |
Looking for inhibition of return in pigeons |
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Journal Article |
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Year |
2005 |
Publication |
Learning & behavior : a Psychonomic Society publication |
Abbreviated Journal |
Learn Behav |
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Volume |
33 |
Issue |
3 |
Pages |
296-308 |
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Keywords |
Animals; Behavior, Animal/*physiology; Columbidae; *Inhibition (Psychology); Reinforcement (Psychology) |
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Abstract |
We conducted four experiments in order to investigate whether pigeons' responses to a recently attended (i.e., recently pecked) location are inhibited. In Experiments 1 and 2, stimulus displays were similar to those used in studies of inhibition of return (IOR) with humans; responses to cued targets tended to be facilitated rather than inhibited. In Experiments 3 and 4, birds were presented with stimulus displays that mimicked clusters of small grains and were relatively localized, which should have been more appropriate for detecting IOR in pigeons. The results from these experiments again provided evidence for facilitation of responding to cued targets, rather than for IOR. |
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University of Toronto, Toronto, Ontario, Canada. bgibson@cisunix.unh.edu |
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ISSN |
1543-4494 |
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Notes |
PMID:16396077 |
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no |
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Call Number |
refbase @ user @ |
Serial |
359 |
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Author |
Hinson, R.E. |
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Title |
Effects of UCS preexposure on excitatory and inhibitory rabbit eyelid conditioning: an associative effect of conditioned contextual stimuli |
Type |
Journal Article |
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Year |
1982 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
8 |
Issue |
1 |
Pages |
49-61 |
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Keywords |
Animals; Association Learning; Cognition; *Conditioning, Eyelid; *Inhibition (Psychology); Practice (Psychology); Rabbits; Reaction Time |
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Abstract |
Preconditioning experience with the unconditional stimulus (UCS) retards subsequent excitatory conditioning. Three experiments demonstrated that this UCS retardation effect is attenuated by associative manipulations of contextual stimuli of the UCS preexposure environment. The UCS retardation effect was reduced by (a) altering contextual stimuli between preexposure and conditioning (Experiment 1), (b) latently inhibiting contextual stimuli prior to UCS preexposure (Experiment 2), and (c) extinguishing contextual stimuli subsequent to UCS preexposure (Experiment 3). Although UCS preexposure retarded excitatory conditioning, the results of Experiment 4 demonstrated that UCS preexposure facilitated inhibitory conditioning. These results indicate that an association between contextual stimuli and the preexposed UCS contributes to the effects of preconditioning UCS experience on subsequent learning. |
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0097-7403 |
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Notes |
PMID:7057144 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2787 |
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Author |
Kalin, N.H.; Shelton, S.E. |
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Title |
Nonhuman primate models to study anxiety, emotion regulation, and psychopathology |
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Journal Article |
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Year |
2003 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1008 |
Issue |
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Pages |
189-200 |
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Keywords |
Affect/*physiology; Amygdala/blood supply; Animals; Anxiety/genetics/*psychology; Brain/*blood supply; Brain Stem/blood supply; Carrier Proteins/genetics; Electroencephalography; *Inhibition (Psychology); Macaca mulatta; Membrane Glycoproteins/genetics; *Membrane Transport Proteins; *Nerve Tissue Proteins; Prefrontal Cortex/blood supply; Serotonin Plasma Membrane Transport Proteins; Social Environment; Temperament; Tomography, Emission-Computed |
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Abstract |
This paper demonstrates that the rhesus monkey provides an excellent model to study mechanisms underlying human anxiety and fear and emotion regulation. In previous studies with rhesus monkeys, stable, brain, endocrine, and behavioral characteristics related to individual differences in anxiety were found. It was suggested that, when extreme, these features characterize an anxious endophenotype and that these findings in the monkey are particularly relevant to understanding adaptive and maladaptive anxiety responses in humans. The monkey model is also relevant to understanding the development of human psychopathology. For example, children with extremely inhibited temperament are at increased risk to develop anxiety disorders, and these children have behavioral and biological alterations that are similar to those described in the monkey anxious endophenotype. It is likely that different aspects of the anxious endophenotype are mediated by the interactions of limbic, brain stem, and cortical regions. To understand the brain mechanisms underlying adaptive anxiety responses and their physiological concomitants, a series of studies in monkeys lesioning components of the neural circuitry (amygdala, central nucleus of the amygdala and orbitofrontal cortex) hypothesized to play a role are currently being performed. Initial findings suggest that the central nucleus of the amygdala modulates the expression of behavioral inhibition, a key feature of the endophenotype. In preliminary FDG positron emission tomography (PET) studies, functional linkages were established between the amygdala and prefrontal cortical regions that are associated with the activation of anxiety. |
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Department of Psychiatry, University of Wisconsin-Madison Medical School, 6001 Research Park Boulevard, Madison, WI 53711, USA. nkalin@facstaff.wisc.edu |
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ISSN |
0077-8923 |
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PMID:14998885 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4133 |
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