| Records |
Author  |
Edman, J.D. |
| Title |
Host-feeding patterns of Florida mosquitoes. I. Aedes, Anopheles, Coquillettidia, Mansonia and Psorophora |
Type |
Journal Article |
| Year |
1971 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
| Volume |
8 |
Issue |
6 |
Pages |
687-695 |
| Keywords |
*Aedes; Animals; *Anopheles; Birds; Cats; Cattle; *Culicidae; Dogs; Ecology; *Feeding Behavior; Female; Florida; Horses; Humans; Swine |
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English |
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| ISSN |
0022-2585 |
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| Notes |
PMID:4403447 |
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no |
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Equine Behaviour @ team @ |
Serial |
2722 |
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| Author |
Edwards, D.H.; Spitzer, N. |
| Title |
6. Social dominance and serotonin receptor genes in crayfish |
Type |
Journal Article |
| Year |
2006 |
Publication |
Current Topics in Developmental Biology |
Abbreviated Journal |
Curr Top Dev Biol |
| Volume |
74 |
Issue |
|
Pages |
177-199 |
| Keywords |
Animals; Astacoidea/*genetics/physiology; Humans; Receptors, Serotonin/*genetics; Serotonin/physiology; *Social Dominance |
| Abstract |
Gene expression affects social behavior only through changes in the excitabilities of neural circuits that govern the release of the relevant motor programs. In turn, social behavior affects gene expression only through patterns of sensory stimulation that produce significant activation of relevant portions of the nervous system. In crayfish, social interactions between pairs of animals lead to changes in behavior that mark the formation of a dominance hierarchy. Those changes in behavior result from changes in the excitability of specific neural circuits. In the new subordinate, circuits for offensive behavior become less excitable and those for defensive behavior become more excitable. Serotonin, which is implicated in mechanisms for social dominance in many animals, modulates circuits for escape and avoidance responses in crayfish. The modulatory effects of serotonin on the escape circuits have been found to change with social dominance, becoming excitatory in dominant crayfish and inhibitory in subordinates. These changes in serotonin's effects on escape affect the synaptic response to sensory input of a single cell, the lateral giant (LG) command neuron for escape. Moreover, these changes occur over a 2-week period and for the subordinate are reversible at any time following a reversal of the animal's status. The results have suggested that a persistent change in social status leads to a gradual change in the expression of serotonin receptors to a pattern that is more appropriate for the new status. To test that hypothesis, the expression patterns of crayfish serotonin receptors must be compared in dominant and subordinate animals. Two of potentially five serotonin receptors in crayfish have been cloned, sequenced, and pharmacologically characterized. Measurements of receptor expression in the whole CNS of dominant and subordinate crayfish have produced inconclusive results, probably because each receptor is widespread in the nervous system and is likely to experience opposite expression changes in different areas of the CNS. Both receptors have recently been found in identified neurons that mediate escape responses, and so the next step will be to measure their expression in these identified cells in dominant and subordinate animals. |
| Address |
Department of Biology, Georgia State University, Atlanta, GA 30302, USA |
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English |
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0070-2153 |
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PMID:16860668 |
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no |
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Equine Behaviour @ team @ |
Serial |
4364 |
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| Author |
Emery, N.J. |
| Title |
The eyes have it: the neuroethology, function and evolution of social gaze |
Type |
Journal Article |
| Year |
2000 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
| Volume |
24 |
Issue |
6 |
Pages |
581-604 |
| Keywords |
Animals; *Eye; Fixation, Ocular; Humans; *Social Behavior |
| Abstract |
Gaze is an important component of social interaction. The function, evolution and neurobiology of gaze processing are therefore of interest to a number of researchers. This review discusses the evolutionary role of social gaze in vertebrates (focusing on primates), and a hypothesis that this role has changed substantially for primates compared to other animals. This change may have been driven by morphological changes to the face and eyes of primates, limitations in the facial anatomy of other vertebrates, changes in the ecology of the environment in which primates live, and a necessity to communicate information about the environment, emotional and mental states. The eyes represent different levels of signal value depending on the status, disposition and emotional state of the sender and receiver of such signals. There are regions in the monkey and human brain which contain neurons that respond selectively to faces, bodies and eye gaze. The ability to follow another individual's gaze direction is affected in individuals with autism and other psychopathological disorders, and after particular localized brain lesions. The hypothesis that gaze following is “hard-wired” in the brain, and may be localized within a circuit linking the superior temporal sulcus, amygdala and orbitofrontal cortex is discussed. |
| Address |
Center for Neuroscience, Department of Psychiatry & California Regional Primate Research Center, University of California, Davis, CA 95616, USA. njemery@ucdavis.edu |
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English |
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| ISSN |
0149-7634 |
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| Notes |
PMID:10940436 |
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no |
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refbase @ user @ |
Serial |
3996 |
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| Author |
Endy, T.P.; Nisalak, A. |
| Title |
Japanese encephalitis virus: ecology and epidemiology |
Type |
Journal Article |
| Year |
2002 |
Publication |
Current Topics in Microbiology and Immunology |
Abbreviated Journal |
Curr Top Microbiol Immunol |
| Volume |
267 |
Issue |
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Pages |
11-48 |
| Keywords |
Animals; Birds/virology; Climate; Culicidae/virology; Disease Outbreaks/history; Ecosystem; Encephalitis Virus, Japanese/*pathogenicity; Encephalitis, Japanese/*epidemiology/*etiology/history/transmission; History, 20th Century; Horses/virology; Humans; Insect Vectors; Japan/epidemiology; Risk Factors; Swine/virology; Thailand/epidemiology; Viral Vaccines/pharmacology |
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Department of Virology, United States Army Medical Component, Armed Forces Research Institute of Medical Sciences (USAMC-AFRIMS), 315/6 Rajvithi Road, Bangkok 10400, Thailand |
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English |
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0070-217X |
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| Notes |
PMID:12082986 |
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no |
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Equine Behaviour @ team @ |
Serial |
2643 |
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| Author |
Epstein, R. |
| Title |
Animal cognition as the praxist views it |
Type |
Journal Article |
| Year |
1985 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
| Volume |
9 |
Issue |
4 |
Pages |
623-630 |
| Keywords |
Animals; *Behavior, Animal; Behavioral Sciences/*trends; Behaviorism; *Cognition; Columbidae; History, 18th Century; History, 19th Century; Humans; Models, Psychological; Problem Solving; Psychological Theory; Psychology/history/trends |
| Abstract |
The distinction between psychology and praxics provides a clear answer to the question of animal cognition. As Griffin and others have noted, the kinds of behavioral phenomena that lead psychologists to speak of cognition in humans are also observed in nonhuman animals, and therefore those who are convinced of the legitimacy of psychology should not hesitate to speak of and to attempt to study animal cognition. The behavior of organisms is also a legitimate subject matter, and praxics, the study of behavior, has led to significant advances in our understanding of the kinds of behaviors that lead psychologists to speak of cognition. Praxics is a biological science; the attempt by students of behavior to appropriate psychology has been misguided. Generativity theory is an example of a formal theory of behavior that has proved useful both in the engineering of intelligent performances in nonhuman animals and in the prediction of intelligent performances in humans. |
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0149-7634 |
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| Notes |
PMID:3909017 |
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no |
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Equine Behaviour @ team @ |
Serial |
2809 |
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| Author |
Etienne, A.S.; Maurer, R.; Seguinot, V. |
| Title |
Path integration in mammals and its interaction with visual landmarks |
Type |
Journal Article |
| Year |
1996 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
J Exp Biol |
| Volume |
199 |
Issue |
Pt 1 |
Pages |
201-209 |
| Keywords |
Animals; Cognition/physiology; Cricetinae; Gerbillinae; Humans; Locomotion/*physiology; Mammals/*physiology; Mesocricetus; Mice; Proprioception/physiology; Rats; Visual Pathways/*physiology; Visual Perception/*physiology |
| Abstract |
During locomotion, mammals update their position with respect to a fixed point of reference, such as their point of departure, by processing inertial cues, proprioceptive feedback and stored motor commands generated during locomotion. This so-called path integration system (dead reckoning) allows the animal to return to its home, or to a familiar feeding place, even when external cues are absent or novel. However, without the use of external cues, the path integration process leads to rapid accumulation of errors involving both the direction and distance of the goal. Therefore, even nocturnal species such as hamsters and mice rely more on previously learned visual references than on the path integration system when the two types of information are in conflict. Recent studies investigate the extent to which path integration and familiar visual cues cooperate to optimize the navigational performance. |
| Address |
Laboratoire d'Ethologie, FPSE, Universite de Geneve, Carouge, Switzerland |
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English |
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0022-0949 |
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| Notes |
PMID:8576691 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2758 |
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| Author |
Fabrega, H.J. |
| Title |
Making sense of behavioral irregularities of great apes |
Type |
Journal Article |
| Year |
2006 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
| Volume |
30 |
Issue |
8 |
Pages |
1260-73; discussion 1274-7 |
| Keywords |
Animals; Behavior/*physiology; Evolution; Hominidae/*physiology; Humans; Mental Disorders/*physiopathology; Neurosciences; *Psychopathology; Social Behavior |
| Abstract |
Psychopathology, mental illness, and psychiatric treatment are concepts relevant to modern medicine and medical psychology and replete with cumbersome intellectual and literary baggage. They bear the imprint of suppositions, world views, and general beliefs and values exemplified in the science, history, and general culture of Anglo European societies. The study in higher apes of phenomena addressed by such concepts raises conceptual dilemmas, usually termed speciesism and anthropomorphism, not unlike those encountered in comparative human studies of similar phenomena across cultures and historical periods, namely, ethnocentrism and anachronism. The authors' synthesis of literature and their analysis of the implications of higher ape psychopathology represent an epistemically compelling account that broadens the scope of the comparative study of behavioral irregularities, a topic that provides a different slant for examining challenging questions in evolutionary biology and primatology, such as cognition, self awareness, intentional behavior, culture and behavioral traditions, social intelligence, sickness and healing, and altruism. Theoretical and empirical study of this topic expands formulation and can help provide informative answers about human evolution as well as essential features of human psychiatric syndromes, with potential practical implications. The study of psychopathology of higher apes and other non human primates represents an appropriate focus for neuroscience and bio-behavioral sciences. |
| Address |
Department of Psychiatry and Anthropology, University of Pittsburgh, School of Medicine, 3811 Ohara Street, Pittsburgh, PA 15213, USA. hfabregajr@adelphia.net |
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0149-7634 |
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| Notes |
PMID:17079015 |
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no |
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Equine Behaviour @ team @ |
Serial |
2802 |
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| Author |
Fagot, J.; Wasserman, E.A.; Young, M.E. |
| Title |
Discriminating the relation between relations: the role of entropy in abstract conceptualization by baboons (Papio papio) and humans (Homo sapiens) |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
27 |
Issue |
4 |
Pages |
316-328 |
| Keywords |
Animals; Behavior, Animal; Choice Behavior; Cognition/physiology; *Discrimination (Psychology); Discrimination Learning; *Entropy; Female; Humans; Judgment/*physiology; Male; Papio |
| Abstract |
Two baboons (Papio papio) successfully learned relational matching-to-sample: They picked the choice display that involved the same relation among 16 pictures (same or different) as the sample display, although the sample display shared no pictures with the choice displays. The baboons generalized relational matching behavior to sample displays created from novel pictures. Further experiments varying the number of sample pictures and the mixture of same and different sample pictures suggested that entropy plays a key role in the baboons' conceptual behavior. Two humans (Homo sapiens) were similarly trained and tested; their behavior was both similar to and different from the baboons' behavior. The results suggest that animals other than humans and chimpanzees can discriminate the relation between relations. They further suggest that entropy detection may underlie same-different conceptualization, but that additional processes may participate in human conceptualization. |
| Address |
Comparative Cognition Research Group, Center for Research in Cognitive Neurosciences, 31 Chemin Joseph Aiguier, 13402 Marseille, France. fagot@lnf.cnrs-mrs.fr |
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0097-7403 |
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| Notes |
PMID:11676083 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2772 |
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Faria, J.J.; Dyer, J.R.G.; Tosh, C.R.; Krause, J. |
| Title |
Leadership and social information use in human crowds |
Type |
Journal Article |
| Year |
2010 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
79 |
Issue |
4 |
Pages |
895-901 |
| Keywords |
collective animal behaviour; group; human; inadvertent social cue; information; leadership |
| Abstract |
One of the big challenges for group-living animals is to find out who in a group has pertinent information (regarding food or predators) at any moment in time, because informed individuals may not be obviously recognizable to other group members. We found that individuals in human groups were capable of identifying those with information, and this identification increased group performance: the speed and accuracy of groups in reaching a target. Using video analysis we found how informed individuals might have been identified by other group members by means of inadvertent social cues (such as starting order, time spent following and group position). Furthermore, we were able to show that at least one of these cues, the group position of informed individuals, was indeed correlated with group performance. Our final experiment confirmed that leadership was even more efficient when the group members were given the identity of the leader. We discuss the effect of information status regarding the presence and identity of leaders on collective animal behaviour. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
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5192 |
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Feh, C.; Munkhtuya, B. |
| Title |
Male infanticide and paternity analyses in a socially natural herd of Przewalski`s horses: Sexual selection? |
Type |
Journal Article |
| Year |
2008 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
78 |
Issue |
3 |
Pages |
335-339 |
| Keywords |
DNA paternity analysis; Human disturbance; Male infanticide; Przewalski's horse (Equus ferus przewalskii); Sexual selection |
| Abstract |
The sexual selection hypothesis explains infanticide by males in many mammals. In our 11-year study, we investigated this hypothesis in a herd of Przewalski's horses where we had witnessed infanticidal attacks. Infanticide was highly conditional and not simply linked to takeovers. Attacks occurred in only five of 39 cases following a takeover, and DNA paternity revealed that, although infanticidal stallions were not the genetic fathers in four cases out of five, stallions present at birth did not significantly attempt to kill unrelated foals. Infanticide did not reduce birth intervals; only in one case out of five was the infanticidal stallion, the father of the next foal; mothers whose foals were attacked subsequently avoided associating with infanticidal stallions. Therefore, evidence for the sexual selection hypothesis was weak. The “human disturbance” hypothesis received some support, as only zoo bred stallions which grew up in unnatural social groups attacked foals of mares which were pregnant during takeovers. |
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Equine Behaviour @ team @ |
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4632 |
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