Consequently, it may also influence emotional behaviour and memory in birds. birds. In the test ‘in’, duration of TI increased with group IRCS Medical Science 10: 558 – 559. In addition, the birds might exhibit an anti-predator response in which they ‘freeze’ and lower their heart rate after being handled (so-called tonic immobility, Gabrielsen & Smith 1985, Hohtola 1981). Its function is not certain. I. Tonic immobility, originally considered a form of animal hypnosis, is one of the classical behaviours ... [18], with birds shackled for longer periods having a greater tonic immobility duration [18]. 0000001678 00000 n Tonic immobility (TI) is a behavioral state characterized by lack of movements and an apparent lifeless position (Gallup and Rager 1996; Miyatake et al. Physiology and Behavior 46 : 439 – 442 Jones , R.B. 0000020429 00000 n 0000006863 00000 n The number of inductions and the duration of tonic immobility (TI) was measured in Brown Leghorn hens which were either sham-operated or had total removal of the telencephalon. 0000080324 00000 n 0000152788 00000 n The association of human contact with a food reward, Attempts to modify the responses of domestic fowl towards human beings. Ejército Libertador, Santiago, Chile. Published online by Cambridge University Press: An abstract is not available for this content so a preview has been provided below. 0000014688 00000 n Abstract views reflect the number of visits to the article landing page. The shark remains in this state of paralysis for an average of fifteen minutes before it recovers. This data will be updated every 24 hours. 0000004826 00000 n Department of Clinical Psychology, Utrecht University. 0000016726 00000 n If the bird righted itself within 30 s another attempt was made to put the bird in tonic immobility, allowing up to three attempts per bird. The birds were subjected to tonic immobility test at 34 d (1sttest) and 49 d (2ndtest). II. 0000002742 00000 n (1989 c) Chronic stressors, tonic immobility and leucocytic responses in the domestic fowl. Influence of repetition of induction, restriction of auditory-visual input, and destruction of brain areas, Effect of the visual presence of an experimenter on the maintenance of tonic immobility in domestic chickens, Habituation and tonic immobility in chickens: strain comparisons, Aversiveness of the induction of tonic immobility in chickens, Habituation and tonic immobility in domestic chickens, Psychophysiological correlates of tonic immobility in the domestic chicken, Long-term retention of the habituation of tonic immobility, Polygraphic recordings during adult hen hypnosis, Psychopathology and Psychiatry: Selected Works, “Wildness” in the Mallard duck: effects of brain lesions and stimulation on “escape behaviour” and reproduction, Handbook in Clinical and Experimental Hypnosis, Immobility reactions (fear) of domestic fowl as a function of age and prior experience, Dominance behaviour as a function of post-weaning gentling in the albino rat, Periodicity of death feigning by domestic fowl in response to simulated predation, Developmental changes in tonic immobility in young chicks, Rearing influences on tonic immobility in three-day-old chicks, Selective habituation of defensive behaviour: Evidence for predator-prey synchrony, Imprinting and the immobility reactions of domestic fowl, Neural and Endocrine Aspects of Behaviour in Birds, Death feigning by ducks in response to predation by red foxes, Auditory imprinting in domestic chicks during tonic immobility, Predatory overtones of open-field testing in chickens, Position in the peck order and response to human threat in domestic fowl, Tonic immobility in Japanese quail can reduce the probability of sustained attack by cats, The effect of norepinephrine on tonic immobility in chickens, Emotional behaviour and social facilitation of feeding in domestic chicks, The effects of quipazine, fenfluramine and apomorphine on the morphine potentiation of tonic immobility, Tonic immobility in domestic fowl: possible interaction of serotonergic and dopaminergic mechanisms, A serotonergic, midbrain-raphe model of tonic immobility, Mechanisms mediating the production of environmentally induced brain changes, Exposure, object preference, and distress in the domestic chick. The tonic immobility test did not differentiate ranging groups (P = 0.34), but indoor birds were slower to first step (P = 0.03) and stepped less (P = 0.02) in the open field test. 0000154111 00000 n to captivity. %PDF-1.3 %���� 0000117766 00000 n One phenomenon I have seen over and over is something called tonic immobility. 0000001289 00000 n 0000052843 00000 n Quail from the LTI (Long Tonic Immobility) line were selected for a long TI duration whereas birds from the STI (Short Tonic Immobility) line were selected for a short TI duration. Tonic immobility tests were performed on adult birds, either directly ‘in’ their home pen or ‘out’ in a separate room. Tonic immobility duration is commonly measured in individual birds, which are induced to a catatonic state by the researcher.

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