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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Cognitive strategies and the representation of social relations by monkeys |
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Journal Article |
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Year |
2001 |
Publication |
Nebraska Symposium on Motivation. Nebraska Symposium on Motivation |
Abbreviated Journal |
Nebr Symp Motiv |
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Volume |
47 |
Issue |
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Pages |
145-177 |
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Keywords |
Adaptation, Biological; Animals; *Evolution; Family; Female; Haplorhini; Male; Memory; Primates; *Selection (Genetics); *Social Behavior; Social Dominance; *Social Perception |
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University of Pennsylvania, USA |
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0146-7875 |
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PMID:11759347 |
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no |
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Call Number |
refbase @ user @ |
Serial |
345 |
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Author |
Vallortigara, G.; Rogers, L.J. |
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Title |
Survival with an asymmetrical brain: advantages and disadvantages of cerebral lateralization |
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Journal Article |
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Year |
2005 |
Publication |
The Behavioral and Brain Sciences |
Abbreviated Journal |
Behav Brain Sci |
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Volume |
28 |
Issue |
4 |
Pages |
575-89; discussion 589-633 |
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Keywords |
Animals; Attention/*physiology; Behavior/*physiology; Behavior, Animal/*physiology; Dominance, Cerebral/*physiology; *Evolution; Humans; Models, Biological; Visual Perception/physiology |
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Abstract |
Recent evidence in natural and semi-natural settings has revealed a variety of left-right perceptual asymmetries among vertebrates. These include preferential use of the left or right visual hemifield during activities such as searching for food, agonistic responses, or escape from predators in animals as different as fish, amphibians, reptiles, birds, and mammals. There are obvious disadvantages in showing such directional asymmetries because relevant stimuli may be located to the animal's left or right at random; there is no a priori association between the meaning of a stimulus (e.g., its being a predator or a food item) and its being located to the animal's left or right. Moreover, other organisms (e.g., predators) could exploit the predictability of behavior that arises from population-level lateral biases. It might be argued that lateralization of function enhances cognitive capacity and efficiency of the brain, thus counteracting the ecological disadvantages of lateral biases in behavior. However, such an increase in brain efficiency could be obtained by each individual being lateralized without any need to align the direction of the asymmetry in the majority of the individuals of the population. Here we argue that the alignment of the direction of behavioral asymmetries at the population level arises as an “evolutionarily stable strategy” under “social” pressures occurring when individually asymmetrical organisms must coordinate their behavior with the behavior of other asymmetrical organisms of the same or different species. |
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Department of Psychology and B.R.A.I.N. Centre for Neuroscience, University of Trieste, 34123 Trieste, Italy. vallorti@univ.trieste.it |
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0140-525X |
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PMID:16209828 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4622 |
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Author |
Friederici, A.D.; Alter, K. |
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Title |
Lateralization of auditory language functions: a dynamic dual pathway model |
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Journal Article |
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Year |
2004 |
Publication |
Brain and Language |
Abbreviated Journal |
Brain Lang |
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Volume |
89 |
Issue |
2 |
Pages |
267-276 |
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Keywords |
Auditory Pathways/physiology; Brain Mapping; Comprehension/*physiology; Dominance, Cerebral/*physiology; Frontal Lobe/*physiology; Humans; Nerve Net/physiology; Phonetics; Semantics; Speech Acoustics; Speech Perception/*physiology; Temporal Lobe/*physiology |
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Abstract |
Spoken language comprehension requires the coordination of different subprocesses in time. After the initial acoustic analysis the system has to extract segmental information such as phonemes, syntactic elements and lexical-semantic elements as well as suprasegmental information such as accentuation and intonational phrases, i.e., prosody. According to the dynamic dual pathway model of auditory language comprehension syntactic and semantic information are primarily processed in a left hemispheric temporo-frontal pathway including separate circuits for syntactic and semantic information whereas sentence level prosody is processed in a right hemispheric temporo-frontal pathway. The relative lateralization of these functions occurs as a result of stimulus properties and processing demands. The observed interaction between syntactic and prosodic information during auditory sentence comprehension is attributed to dynamic interactions between the two hemispheres. |
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Max Planck Institute of Cognitive Neuroscience, P.O. Box 500 355, 04303 Leipzig, Germany. angelafr@cns.mpg.de |
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0093-934X |
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Notes |
PMID:15068909 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4722 |
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Author |
Levy, J. |
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Title |
The mammalian brain and the adaptive advantage of cerebral asymmetry |
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Journal Article |
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Year |
1977 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
299 |
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Pages |
264-272 |
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Keywords |
*Adaptation, Physiological; Adaptation, Psychological/physiology; Animals; Behavior, Animal/physiology; Brain/*physiology; Cognition/physiology; Dominance, Cerebral/*physiology; *Evolution; Humans; Intelligence; Perception/physiology |
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ISSN |
0077-8923 |
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Notes |
PMID:280207 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4137 |
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Author |
Edwards, D.H.; Spitzer, N. |
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Title |
6. Social dominance and serotonin receptor genes in crayfish |
Type |
Journal Article |
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Year |
2006 |
Publication |
Current Topics in Developmental Biology |
Abbreviated Journal |
Curr Top Dev Biol |
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Volume |
74 |
Issue |
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Pages |
177-199 |
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Keywords |
Animals; Astacoidea/*genetics/physiology; Humans; Receptors, Serotonin/*genetics; Serotonin/physiology; *Social Dominance |
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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. |
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Department of Biology, Georgia State University, Atlanta, GA 30302, USA |
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ISSN |
0070-2153 |
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Notes |
PMID:16860668 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4364 |
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Author |
de Waal, F.B. |
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Title |
The organization of agonistic relations within two captive groups of Java-monkeys (Macaca fascicularis) |
Type |
Journal Article |
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Year |
1977 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
44 |
Issue |
3 |
Pages |
225-282 |
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Keywords |
Age Factors; Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior/*physiology; Fear; Female; Haplorhini; Humans; Macaca/*physiology; Macaca fascicularis/*physiology; Male; Sex Factors; Social Behavior; Social Dominance |
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Abstract |
The paper offers a detailed quantitative descripition of the distribution of agonistic activities over the members of two groups of Java-monkeys (Macaca fascicularis). These groups lived in captivity and were well-established: i.e. they had an extensive network of genealogical relationships. The study pays special attention to agonistic interactions with three or more participants. Its main purpose is an analysis of the way dyadic agonistic relations (e.g. dominance relations) are affected by third group members and the relations among these. The paper presents data on the ontogeny of 'dependent dominance', the 'control role' of the alpha-male, and the functions of different types of alliances. |
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ISSN |
0044-3573 |
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Notes |
PMID:412345 |
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no |
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Call Number |
refbase @ user @ |
Serial |
213 |
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Author |
Clutton-Brock, T.H.; Greenwood, P.J.; Powell, R.P. |
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Title |
Ranks and relationships in Highland ponies and Highland Cows |
Type |
Journal Article |
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Year |
1976 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
41 |
Issue |
2 |
Pages |
202-216 |
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Keywords |
Agonistic Behavior; Animals; *Cattle; Female; Grooming; *Horses; Male; *Social Dominance; Spatial Behavior |
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Abstract |
Recent studies of primates have questioned the importance of dominance hierarchies in groups living under natural conditions. In a herd of Highland ponies and one of Highland cattle grazing under free-range conditions on the Isle of Rhum (Inner Hebrides) well defined hierarchies were present. The provision of food produced a marked increase in the frequency of agonistic interactions but had no effect on the rank systems of the two herds. While rank was clearly important in affecting the distribution of agonistic interactions, it was poorly related to behaviour in non-agonistic situations. |
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0044-3573 |
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PMID:961125 |
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Call Number |
refbase @ user @ |
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661 |
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Author |
Kiley, M. |
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Title |
The vocalizations of ungulates, their causation and function |
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Journal Article |
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Year |
1972 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
31 |
Issue |
2 |
Pages |
171-222 |
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Keywords |
Aggression; Animals; *Artiodactyla; Cattle; Fear; Female; Frustration; Horses; Humans; Male; Pain; *Perissodactyla; Sexual Behavior, Animal; Social Behavior; Social Dominance; Swine; *Vocalization, Animal |
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0044-3573 |
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PMID:4674022 |
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Call Number |
refbase @ user @ |
Serial |
681 |
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Author |
Feist, J.D.; McCullough, D.R. |
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Title |
Behavior patterns and communication in feral horses |
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Journal Article |
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Year |
1976 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
41 |
Issue |
4 |
Pages |
337-371 |
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Keywords |
*Animal Communication; Animals; Female; *Horses; Male; Maternal Behavior; Sexual Behavior, Animal; *Social Behavior; Social Dominance |
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Abstract |
The social behavior of feral horses was studied in the western United States. Stable harem groups with a dominant stallion and bachelor hermaphrodite hermaphrodite groups occupied overlapping home ranges. Groups spacing, but not territoriality, was expressed. Harem group, stability resulted from strong dominance by dominant stallions, and fidelity of group members. Eliminations of group members were usually marked by urine of the dominant stallion. Hermaphrodite-hermaphrodite aggression involved spacing between harems and dominance in bachelor groups. Marking with feces was important in hermaphrodite-hermaphrodite interactions. Foaling occurred in May and early June, following the post-partum estrous. All breeding was done by harem stallions. Young were commonly nursed through yearling age. These horses showed social organizations similar to other feral horses and plains zebras. |
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0044-3573 |
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PMID:983427 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3995 |
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Author |
Giles, N.; Tupper, J. |
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Title |
Equine interspecies aggression |
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Year |
2006 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
159 |
Issue |
22 |
Pages |
756 |
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Keywords |
Aggression/*physiology; Animals; Horses/*physiology; Sheep/*physiology; Social Dominance |
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0042-4900 |
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PMID:17127768 |
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1779 |
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