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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 |
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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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264-272 |
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*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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0077-8923 |
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PMID:280207 |
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no |
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Equine Behaviour @ team @ |
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4137 |
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Author |
de Wall, F.B.; Aureli, F. |
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Title |
Conflict resolution and distress alleviation in monkeys and apes |
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Journal Article |
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Year |
1997 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
807 |
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317-328 |
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*Adaptation, Psychological; Animals; Arousal; *Conflict (Psychology); Empathy; Haplorhini/*psychology; Hominidae/*psychology; Humans; Learning; Models, Psychological; *Social Behavior; Stress, Psychological |
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Abstract |
Research on nonhuman primates has produced compelling evidence for reconciliation and consolation, that is, postconflict contacts that serve to respectively repair social relationships and reassure distressed individuals, such as victims of attack. This has led to a view of conflict and conflict resolution as an integrated part of social relationships, hence determined by social factors and modifiable by the social environment. Implications of this new model of social conflict are discussed along with evidence for behavioral flexibility, the value of cooperation, and the possibility that distress alleviation rests on empathy, a capacity that may be present in chimpanzees and humans but not in most other animals. |
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Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. dewaal@rmy.emory.edu |
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0077-8923 |
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PMID:9071360 |
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no |
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Call Number |
refbase @ user @ |
Serial |
2882 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Meaning and emotion in animal vocalizations |
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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 |
1000 |
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Pages |
32-55 |
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Keywords |
Acoustics; *Affect; Animals; Behavior, Animal; *Intention; Posture; Sound Spectrography; *Vocalization, Animal |
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Abstract |
Historically, a dichotomy has been drawn between the semantic communication of human language and the apparently emotional calls of animals. Current research paints a more complicated picture. Just as scientists have identified elements of human speech that reflect a speaker's emotions, field experiments have shown that the calls of many animals provide listeners with information about objects and events in the environment. Like human speech, therefore, animal vocalizations simultaneously provide others with information that is both semantic and emotional. In support of this conclusion, we review the results of field experiments on the natural vocalizations of African vervet monkeys, diana monkeys, baboons, and suricates (a South African mongoose). Vervet and diana monkeys give acoustically distinct alarm calls in response to the presence of leopards, eagles, and snakes. Each alarm call type elicits a different, adaptive response from others nearby. Field experiments demonstrate that listeners compare these vocalizations not just according to their acoustic properties but also according to the information they convey. Like monkeys, suricates give acoustically distinct alarm calls in response to different predators. Within each predator class, the calls also differ acoustically according to the signaler's perception of urgency. Like speech, therefore, suricate alarm calls convey both semantic and emotional information. The vocalizations of baboons, like those of many birds and mammals, are individually distinctive. As a result, when one baboon hears a sequence of calls exchanged between two or more individuals, the listener acquires information about social events in its group. Baboons, moreover, are skilled “eavesdroppers:” their response to different call sequences provides evidence of the sophisticated information they acquire from other individuals' vocalizations. Baboon males give loud “wahoo” calls during competitive displays. Like other vocalizations, these highly emotional calls provide listeners with information about the caller's dominance rank, age, and competitive ability. Although animal vocalizations, like human speech, simultaneously encode both semantic and emotional information, they differ from language in at least one fundamental respect. Although listeners acquire rich information from a caller's vocalization, callers do not, in the human sense, intend to provide it. Listeners acquire information as an inadvertent consequence of signaler behavior. |
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Departments of Psychology and Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. seyfarth@psych.upenn.edu |
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0077-8923 |
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Notes |
PMID:14766619 |
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no |
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Call Number |
refbase @ user @ |
Serial |
688 |
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Permanent link to this record |
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Author |
de Waal, F.B.M. |
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Title |
Animal communication: panel discussion |
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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 |
1000 |
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79-87 |
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Keywords |
Acoustics; Affect; *Animal Communication; Animals |
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0077-8923 |
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PMID:14766621 |
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no |
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Call Number |
refbase @ user @ |
Serial |
176 |
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Author |
Zhang, T.-Y.; Parent, C.; Weaver, I.; Meaney, M.J. |
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Title |
Maternal programming of individual differences in defensive responses in the rat |
Type |
Journal Article |
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Year |
2004 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1032 |
Issue |
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Pages |
85-103 |
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Keywords |
Adaptation, Biological; Aggression/*physiology; Animals; Evolution; Female; Gene Expression/physiology; Humans; Individuality; *Maternal Behavior; Phenotype; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Stress, Psychological/physiopathology |
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Abstract |
This paper describes the results of a series of studies showing that variations in mother-pup interactions program the development of individual differences in behavioral and endocrine stress responses in the rat. These effects are associated with altered expression of genes in brain regions, such as the amygdala, hippocampus, and hypothalamus, that regulate the expression of stress responses. Studies from evolutionary biology suggest that such “maternal effects” are common and often associated with variations in the quality of the maternal environment. Together these findings suggest an epigenetic process whereby the experience of the mother alters the nature of the parent-offspring interactions and thus the phenotype of the offspring. |
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McGill Program for the Study of Behavior, Genes and Environment, Douglas Hospital Research Centre, Department of Psychiatry, McGill University, 6875 boul. LaSalle, Montreal (Quebec), Canada H4H 1R3 |
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0077-8923 |
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Notes |
PMID:15677397 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4132 |
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Author |
Teicher, M.H.; Tomoda, A.; Andersen, S.L. |
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Title |
Neurobiological Consequences of Early Stress and Childhood Maltreatment: Are Results from Human and Animal Studies Comparable? |
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Journal Article |
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Year |
2006 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
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Volume |
1071 |
Issue |
1 |
Pages |
313-323 |
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Keywords |
adolescence; maltreatment; hippocampus; corpus callosum; translational research; sensitive periods; stress; abuse or neglect |
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Abstract |
Abstract: Recent studies have reported an association between exposure to childhood abuse or neglect and alterations in brain structure or function. One limitation of these studies is that they are correlational and do not provide evidence of a cause–effect relationship. Preclinical studies on the effects of exposure to early life stress can demonstrate causality, and can enrich our understanding of the clinical research if we hypothesize that the consequences of early abuse are predominantly mediated through the induction of stress responses. Exposure to early abuse and early stress has each been associated with the emergence of epileptiform electroencephalogram (EEG) abnormalities, alterations in corpous callosum area, and reduced volume or synaptic density of the hippocampus.Further, there is evidence that different brain regions have unique periods when they are maximally sensitive to the effects of early stress. To date, preclinical studies have guided clinical investigations and will continue to provide important insight into studies on molecular mechanisms and gene–environment interactions. |
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Blackwell Publishing Inc |
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1749-6632 |
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no |
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Equine Behaviour @ team @ |
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5784 |
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Permanent link to this record |
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Author |
Palme, R.; Rettenbacher, S.; Touma, C.; El-Bahr, S.M.; Mostl, E. |
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Title |
Stress hormones in mammals and birds: comparative aspects regarding metabolism, excretion, and noninvasive measurement in fecal samples |
Type |
Journal Article |
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Year |
2005 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1040 |
Issue |
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Pages |
162-171 |
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Keywords |
Adrenal Glands/chemistry/metabolism; Animals; Birds; Catecholamines/analysis/chemistry/*metabolism; Feces/*chemistry; Glucocorticoids/analysis/chemistry/*metabolism; Hormones/analysis/metabolism; Mammals; Species Specificity; Stress/*metabolism |
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Abstract |
A multitude of endocrine mechanisms are involved in coping with challenges. Front-line hormones to overcome stressful situations are glucocorticoids (GCs) and catecholamines (CAs). These hormones are usually determined in plasma samples as parameters of adrenal activity and thus of disturbance. GCs (and CAs) are extensively metabolized and excreted afterwards. Therefore, the concentration of GCs (or their metabolites) can be measured in various body fluids or excreta. Above all, fecal samples offer the advantages of easy collection and a feedback-free sampling procedure. However, large differences exist among species regarding the route and time course of excretion, as well as the types of metabolites formed. Based on information gained from radiometabolism studies (reviewed in this paper), we recently developed and successfully validated different enzyme immunoassays that enable the noninvasive measurement of groups of cortisol or corticosterone metabolites in animal feces. The determination of these metabolites in fecal samples can be used as a powerful tool to monitor GC production in various species of domestic, wildlife, and laboratory animals. |
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Institute of Biochemistry, Department of Natural Sciences, University of Veterinary Medicine, Vienna, Austria. rupert.palme@vu-wien.ac.at |
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0077-8923 |
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Notes |
PMID:15891021 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4083 |
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Permanent link to this record |
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Author |
Thiel, D.; Jenni-Eiermann, S.; Palme, R. |
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Title |
Measuring corticosterone metabolites in droppings of capercaillies (Tetrao urogallus) |
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Journal Article |
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Year |
2005 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1046 |
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96-108 |
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Adrenocorticotropic Hormone/administration & dosage/analysis/metabolism; Animals; Circadian Rhythm; Corticosterone/administration & dosage/*analysis/*metabolism; Feces/*chemistry; Female; Freezing; Galliformes/*metabolism; Male; Reproducibility of Results; Sex Factors; Temperature; Time Factors; Tritium/diagnostic use |
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The capercaillie (Tetrao urogallus), the largest grouse species in the world, is decreasing in numbers in major parts of its distribution range. Disturbances by human outdoor activities are discussed as a possible reason for this population decline. An indicator for disturbances is the increase of the glucocorticoid corticosterone, a stress hormone, which helps to cope with life-threatening situations. However, repeated disturbances might result in a long-term increase of the basal corticosterone concentration, which can result in detrimental effects like reduced fitness and survival of an animal. To measure corticosterone metabolites (CMs) noninvasively in the droppings of free-living capercaillies, first an enzyme immunoassay (EIA) in captive birds had to be selected and validated. Therefore, the excretion pattern of intravenously injected radiolabeled corticosterone was determined and 3H metabolites were characterized. High-performance liquid chromatography (HPLC) separations of the samples containing peak concentrations revealed that corticosterone was extensively metabolized. The HPLC fractions were tested in several EIAs for glucocorticoid metabolites. The physiological relevance of this method was proved after pharmacological stimulation of the adrenocortical activity. Only the recently established cortisone assay, measuring CMs with a 3,11-dione structure, detected an expressed increase of concentrations following ACTH stimulation. To set up a sampling protocol suited for the field, we examined the influence of various storage conditions and time of day on concentrations of CMs. |
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Swiss Ornithological Institute, 6204 Sempach, Switzerland. dominik.thiel@vogelwarte.ch |
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0077-8923 |
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PMID:16055846 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4079 |
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Permanent link to this record |
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Author |
Baltic, M.; Jenni-Eiermann, S.; Arlettaz, R.; Palme, R. |
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Title |
A noninvasive technique to evaluate human-generated stress in the black grouse |
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Journal Article |
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Year |
2005 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1046 |
Issue |
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Pages |
81-95 |
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Keywords |
Adrenocorticotropic Hormone/metabolism; Animals; Bird Diseases/*metabolism; Conservation of Natural Resources; Corticosterone/*metabolism; Ecosystem; Feces/*chemistry; Female; Galliformes/*metabolism; Immunoenzyme Techniques/methods/veterinary; Male; Reproducibility of Results; Stress/metabolism/*veterinary; Tritium/diagnostic use |
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Abstract |
The continuous development of tourism and related leisure activities is exerting an increasingly intense pressure on wildlife. In this study, a novel noninvasive method for measuring stress in the black grouse, an endangered, emblematic species of European ecosystems that is currently declining in several parts of its European range, is tested and physiologically validated. A radiometabolism study and an ACTH challenge test were performed on four captive black grouse (two of each sex) in order to get basic information about the metabolism and excretion of corticosterone and to find an appropriate enzyme-immunoassay (EIA) to measure its metabolites in the feces. Peak radioactivity in the droppings was detected within 1 to 2 hours. Injected (3)H-corticosterone was excreted as polar metabolites and by itself was almost absent. A cortisone-EIA was chosen from among seven tested EIAs for different groups of glucocorticoid metabolites, because it cross-reacted with some of the formed metabolites and best reflected the increase of excreted corticosterone metabolites, after the ACTH challenge test. Concentrations of the metabolites from fecal samples collected from snow burrows of free-ranging black grouse were within the same range as in captive birds. The noninvasive method described may be appropriate for evaluating the stress faced by free-living black grouse populations in the wild, particularly in mountain ecosystems where human disturbance, especially by winter sports, is of increasing conservation concern. |
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Zoological Institute, Division of Conservation Biology, Baltzerstrasse 6, CH-3012 Bern, Switzerland |
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0077-8923 |
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PMID:16055845 |
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no |
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Equine Behaviour @ team @ |
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4080 |
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Permanent link to this record |
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Author |
Fox, N.A. |
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Title |
Temperament and early experience form social behavior |
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Journal Article |
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Year |
2004 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1038 |
Issue |
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Pages |
171-178 |
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Keywords |
Adult; Animals; Child; Child Behavior Disorders/physiopathology; Fear/physiology; Humans; Individuality; Infant; Learning/*physiology; *Personality Development; *Social Behavior; Temperament/*physiology |
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Abstract |
Individual differences in the way persons respond to stimulation can have important consequences for their ability to learn and their choice of vocation. Temperament is the study of such individual differences, being thought of as the behavioral style of an individual. Common to all approaches in the study of temperament are the notions that it can be identified in infancy, is fairly stable across development, and influences adult personality. We have identified a specific temperament type in infancy that involves heightened distress to novel and unfamiliar stimuli. Infants who exhibit this temperament are likely, as they get older, to display behavioral inhibition-wariness and heightened vigilance of the unfamiliar-particularly in social situations. Our work has also described the underlying biology of this temperament and has linked it to neural systems supporting fear responses in animals. Children displaying behavioral inhibition are at-risk for behavioral problems related to anxiety and social withdrawal. |
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Institute for Child Study, Department of Human Development, University of Maryland, 3304 Benjamin Building, College Park, MD 20742-1131, USA. nf4@umail.umd.edu |
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0077-8923 |
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Notes |
PMID:15838111 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4131 |
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Permanent link to this record |