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| Author | Zentall, S.S.; Zentall, T.R. | ||||
| Title | Optimal stimulation: a model of disordered activity and performance in normal and deviant children | Type | Journal Article | ||
| Year | 1983 | Publication | Psychological bulletin | Abbreviated Journal  |
Psychol Bull |
| Volume | 94 | Issue | 3 | Pages | 446-471 |
| Keywords | *Arousal; Attention Deficit Disorder with Hyperactivity/*psychology; Autistic Disorder/*psychology; Behavior Therapy; Child; Humans | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0033-2909 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6657825 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 264 | ||
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| Author | Cowell, P.E.; Fitch, R.H.; Denenberg, V.H. | ||||
| Title | Laterality in animals: relevance to schizophrenia | Type | Journal Article | ||
| Year | 1999 | Publication | Schizophrenia Bulletin | Abbreviated Journal |
Schizophr Bull |
| Volume | 25 | Issue | 1 | Pages | 41-62 |
| Keywords | Adult; Animals; Cognition; *Disease Models, Animal; Functional Laterality/*physiology; Humans; Language; Motor Activity/physiology; Schizophrenia/*physiopathology | ||||
| Abstract | Anomalies in the laterality of numerous neurocognitive dimensions associated with schizophrenia have been documented, but their role in the etiology and early development of the disorder remain unclear. In the study of normative neurobehavioral organization, animal models have shed much light on the mechanisms underlying and the factors affecting adult patterns of both functional and structural asymmetry. Nonhuman species have more recently been used to investigate the environmental, genetic, and neuroendocrine factors associated with developmental language disorders in humans. We propose that the animal models used to study the basis of lateralization in normative development and language disorders such as dyslexia could be modified to investigate lateralized phenomena in schizophrenia. | ||||
| Address | Dept. of Human Communication Sciences, University of Sheffield, United Kingdom | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0586-7614 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:10098913 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2827 | ||
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| Author | Rizzolatti, G.; Fogassi, L.; Gallese, V. | ||||
| Title | Mirrors of the mind | Type | Journal Article | ||
| Year | 2006 | Publication | Scientific American | Abbreviated Journal |
Sci Am |
| Volume | 295 | Issue | 5 | Pages | 54-61 |
| Keywords | Animals; Brain/*physiology; Cognition/*physiology; Discrimination (Psychology)/physiology; Emotions/physiology; Humans; Imitative Behavior; Learning/*physiology; Mental Processes/*physiology; Motor Activity/physiology; Neurons/physiology; Recognition (Psychology); Sensation/physiology | ||||
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| Address | Neurosciences Department, University of Parma, Italy | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0036-8733 | ISBN | Medium | ||
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| Notes | PMID:17076084 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2829 | ||
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| Author | Boyd, L. | ||||
| Title | Behavior problems of equids in zoos | Type | Journal Article | ||
| Year | 1986 | Publication | The Veterinary clinics of North America. Equine practice | Abbreviated Journal |
Vet Clin North Am Equine Pract |
| Volume | 2 | Issue | 3 | Pages | 653-664 |
| Keywords | Aerophagy/veterinary; Aggression/psychology; Animals; *Animals, Zoo; *Behavior, Animal; Coprophagia/psychology; Female; *Horses; Impotence/veterinary; Male; Mastication; Motor Activity; *Perissodactyla; Pregnancy; Sexual Behavior, Animal; Social Environment | ||||
| Abstract | Behavior problems in zoo equids commonly result from a failure to provide for needs basic to equine nature. Equids are gregarious, and failure to provide companions may result in pacing. Wild equids spend 60 to 70 per cent of their time grazing, and failure to provide ad libitum roughage contributes to the problems of pacing, cribbing, wood chewing, and coprophagia. Mimicking the normal processes of juvenile dispersal, bachelor-herd formation, and mate acquisition reduces the likelihood of agonistic and reproductive behavior problems. Infanticide can be avoided by introducing new stallions to herds containing only nonpregnant mares and older foals. | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0749-0739 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:3492252 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 660 | ||
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| Author | Keeling, L.J.; Jonare, L.; Lanneborn, L. | ||||
| Title | Investigating horse–human interactions: The effect of a nervous human | Type | Journal Article | ||
| Year | 2009 | Publication | The Veterinary Journal | Abbreviated Journal |
Vet J |
| Volume | 181 | Issue | 1 | Pages | 70-71 |
| Keywords | Behaviour; Reactivity; Heart rate; Accidents; Equitation | ||||
| Abstract | The heart rates (HR) of horses and the people leading them (10 horses, 20 people), and riding them (17 horses, 17 people), were recorded in an indoor arena. The horses were Swedish leisure horses of mixed ages, sex and breed. All except two of the people were female and all were of mixed age and riding experience. Each horse–human pair walked or rode between points A and B (30 m) four times on each test occasion. However, just before the fourth pass, participants were told that an umbrella would be opened as they rode, or led, the horse past the assistant. The umbrella was not opened, so this pass was no different to the previous control occasions, but nevertheless there was an increase in HR for both the person (leading, P = 0.06; riding, P < 0.05) and the horse (being led, P < 0.05; being ridden, P < 0.05). The findings indicate that analysis of HR recorded simultaneously from people and horses under different experimental handling or riding conditions presents a useful tool to investigate horse–human interactions. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1090-0233 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5908 | ||
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| Author | Gorgasser I.; Tichy A.; Palme R. | ||||
| Title | Faecal cortisol metabolites in Quarter Horses during initial training under field conditions[Messung der Kortisolmetaboliten im Pferdekot während der Grundausbildung von 2jährigen Quarter Horses] | Type | Journal Article | ||
| Year | 2007 | Publication | Wien. Tierärztl. Mschr. – Vet. Med. Austria | Abbreviated Journal |
Wien. Tierärztl. Mschr. – Vet. Med. Austria |
| Volume | 94 | Issue | Pages | 226 - 230 | |
| Keywords | horse, stress, adrenocortical activity, western riding, non-invasive[Pferd, Stress, Nebennierenrindenaktivität, Westernreiten, nicht-invasiv] | ||||
| Abstract | The first month of training of a young horse is suspected to be stressful, but the endocrine responses to initial training are unknown. Therefore in our study a total of 40 Quarter Horses (QH), all at the age of almost 2 years, were followed during the first 30 days of their training. During this time faecal samples were collected twice daily and faecal cortisol metabolites (FCM) were measured. Baseline values of FCM ranged between 1.3 and 20.1 (median: 6.7) ng/g faeces. No differences in FCM values between days of training were found. Mares showed the highest values. Significant diurnal variations were observed in mares (p=0.035) and stallions (p=0.003), but not in geldings (p=0.282). As in this study adrenocortical activity was not increased during initial training, horses seem to cope very well with this new situation. The results of our large-scale study provide basic physiological data about initial training. This gives additional input in an emotional debate about animal welfare aspects of first time handling and training of horses. Abbreviations: 11,17-DOA = 11,17-dioxoandrostanes; EIA = Enyzme Immunoassay; FCM = faecal cortisol metabolites; GC = glucocorticoids; HPA-axis = hypothalamic-pituitary-adrenocortical-axis; QH = Quarter Horses [Das Einreiten eines jungen Pferdes steht unter Verdacht belastend zu sein. Bisher gibt es aber keine Veröffentlichungen über endokrine Vorgänge während dieser Phase. Mit der vorliegenden Studie wurde überprüft, ob Pferde aufgrund physischer und psychischer Belastungen während des Trainings höhere Konzentrationen an Kortisolmetaboliten im Kot (FCM) aufweisen. Es wurden dazu 40 Quarter Horses im Alter von 2 Jahren während der ersten 30 Tage der Grundausbildung des Westernreitens beobachtet und ihre FCM Werte gemessen. Während dieser Zeitspanne wurden täglich morgens und abends Kotproben der Pferde genommen. Die Basalwerte der FCM Konzentration variierten zwischen 1,3 und 20,1 (Median: 6,7) ng/g Kot, wobei Stuten die höchsten Werte hatten. Signifikante Unterschiede während der einzelnen Trainingstage konnten nicht festgestellt werden. In der Tagesrhythmik wurden signifikante Unterschiede bei Stuten (p=0,035) und bei Hengsten (p=0,003), jedoch nicht bei Wallachen (p=0,282) ermittelt. In dieser Studie konnte keine erhöhte Aktivität der Nebennierenrinde im Verlauf der Grundausbildung eines Pferdes im Westernreitstil festgestellt werden. Das legt nahe, dass Pferde mit dieser neuen, zeitlich kurz andauernden Situationen gut zurechtkommen. Unsere Studie wurde an einer großen Anzahl von Tieren unter Feldbedingungen durchgeführt. Sie bietet daher eine gute Datenbasis über Belastungen während des Einreitens. Damit liefert sie einen zusätzlichen Beitrag zu einer mitunter emotional geführten Debatte über tierschutzrelevante Aspekte bei der Grundausbildung von Pferden.] |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6125 | ||
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| Author | Carlstead, K.; Brown, J.L. | ||||
| Title | Relationships between patterns of Fecal corticoid excretion and behavior, reproduction, and environmental factors in captive black (Diceros bicornis) and white (Ceratotherium simum) rhinoceros | Type | Journal Article | ||
| Year | 2005 | Publication | Zoo Biology | Abbreviated Journal |
Zoo Biol. |
| Volume | 24 | Issue | 3 | Pages | 215-232 |
| Keywords | stress; adrenal activity; olfactory behavior; ovarian activity; reproduction; mortality | ||||
| Abstract | Mortality is high in zoo-housed black rhinoceros (Diceros bicornis), and the reproductive rates of captive white rhinoceros (Ceratotherium simum) are unsustainably low. To determine the possible role of stress in the causation of these problems, we analyzed weekly fecal samples collected for 1 year from black (10 males and 16 females) and white (six males and 13 females) rhinoceroses at 16 zoos for corticoid metabolite concentrations. Fecal corticoid profiles were examined in relation to behavior as rated by keepers in a questionnaire, luteal phase ovarian cycles of females (Brown et al., 2001), and socioenvironmental factors. We compared individual fecal corticoid profiles by examining hormone means and variability (i.e., standard deviation (SD) and coefficient of variation (CV)). For the black rhinos, higher mean corticoid concentrations were found at zoos where rhinos were maintained in enclosures that were exposed to the public around a greater portion of the perimeter. Higher variability in corticoid excretion was correlated with higher rates of fighting between breeding partners and higher institutional mortality rates. Black rhino pairs that were kept separated exhibited lower corticoid variability and less fighting activity when they were introduced during female estrous periods compared to pairs that were kept together every day. For white rhinos, significantly lower mean corticoids were found for individuals that rated higher on “friendliness to keeper.” Higher corticoid variability was found in noncycling as compared to cycling white rhino females. Noncycling females exhibited higher rates of stereotypic pacing and lower frequencies of olfactory behaviors. Interindividual differences in mean corticoids in both species appeared to be related to responsiveness to humans, whereas corticoid variability was related to intraspecific social relationships. More importantly, high corticoid variability appeared to be an indicator of chronic or “bad” stress, because of its association with potentially deleterious consequences in each species (i.e., fighting and mortality (black rhino), and reproductive acyclicity (white rhino)). Our results provide evidence that social stressors may cause chronic stress in black and white rhinos, and that this contributes to the captive-population sustainability problems observed in each species. Zoo Biol 0:1–18, 2005. © 2005 Wiley-Liss, Inc. | ||||
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| Publisher | Wiley Subscription Services, Inc., A Wiley Company | Place of Publication | Editor | ||
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| ISSN | 1098-2361 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6142 | ||
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| Author | Rose-Meierhöfer, S.; Standke, K.; Hoffmann, G. | ||||
| Title | Auswirkungen verschiedener Gruppengrößen auf Bewegungsaktivität, Body Condition Score, Liege- und Sozialverhalten bei Jungpferden | Type | Journal Article | ||
| Year | 2010 | Publication | Züchtungskunde | Abbreviated Journal |
Züchtungskunde |
| Volume | 82 | Issue | 4 | Pages | 282–291 |
| Keywords | Liegen, Aktivität, Gruppenhaltung, Jungpferde, Sozialverhalten, Body Condition Score [Lying behaviour, activity behaviour, group housing, young horses, social behaviour, Body Condition Score] | ||||
| Abstract | Ziel der Untersuchung war es, herauszufinden, welche Auswirkungen eine Erhöhung der Gruppengröße bei Jungpferden auf die Bewegungsaktivität, das Liege- und Sozialverhalten und die Körperkondition hat. Hierfür wurden insgesamt 42 Pferde im Alter von ein bis zwei Jahren in Laufstallhaltung in die Untersuchung einbezogen. Die Jungpferde aus der Bewegungs- und Liegeverhaltensanalyse waren in zwei Kleingruppen (acht und 11 Tiere) und einer Großgruppe (23 Tiere) aufgestallt. In der Bewegungsaktivität waren deutliche Unterschiede zu erkennen. Es ließ sich ein positiver Einfluss einer höheren Tierzahl nachweisen, aber kein Einfluss des Alters. Beim Ruheverhalten konnten höhere Liegezeiten und -frequenzen mit einer Zunahme der Gruppengröße und eine Abnahme der Liegezeit mit zunehmendem Alter ermittelt werden. Eine Störung des Liegeverhaltens durch Gruppengrößen, die nicht der natürlichen Herdenstruktur des Pferdes entsprechen, wurde nicht nachgewiesen. Jedoch hatte die Haltung der Jährlinge in der großen Gruppe einen Anstieg der repulsiven Verhaltensweisen zur Konsequenz. Zudem zeigte die Bestimmung des Body Condition Scores Unterschiede in der Körperkondition bei den Jährlingen der Groß- bzw. der Kleingruppe. Einem Mangel an Bewegung, der für das Auftreten von Gliedmaßenerkrankungen und Verhaltensstörungen verantwortlich gemacht wird, kann durch die Haltung von Jungpferden in großen Gruppen entgegengewirkt werden. [It is often discussed that the inactivity of horses causes diseases of their musculoskeletal system. Due to these problems the objective of the investigation was to quantify if the size of a group has an effect on the behaviour of young horses. Data from 42 horses in the age of one to two years have been involved in the investigation. The data of two small groups were compared with data of one big group with 23 horses. The movement and lying behaviour of 28 horses were measured with ALT pedometers. The social behaviour of 33 yearlings was documented by direct observation. The results show that the median of the movement time of horses in group A is 82 minutes per day. In group B this increases to a median of 101 and group C reaches the highest median of 149. In the case of lying time an increasing group size leads to a longer duration and a higher frequency of lying, whereas an increase in the age reduces the lying duration. International research studies have shown that keeping of horses in big group husbandry systems is not very common by the owners of horses. In contrast these investigations have shown that horse keeping in big groups has no negative influence on the social behaviour and the Body Condition Score of young horses.] |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5671 | ||
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