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Author |
Premack D; Woodruff G |
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Title |
Does the chimpanzee have a theory of mind? |
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Year |
1978 |
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Behav. Brain Sci. |
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1 |
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515 |
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Equine Behaviour @ team @ |
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3035 |
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Author |
Zentall, T.R.; Hogan, D.E.. |
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Title |
Same/different concept learning in the pigeon: the effect of negative instances and prior adaptation to transfer stimuli |
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Journal Article |
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Year |
1978 |
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Abbreviated Journal |
J Exp Anal Behav |
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Volume |
30 |
Issue |
2 |
Pages |
177-186 |
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Pigeons were trained on a matching-to-sample or oddity-from-sample task with shapes (circle and plus). Half of each group was exposed to “negative instance” trials i.e., for matching birds, neither comparison key matched the sample, and for oddity birds both comparison keys matched the sample. When all birds were transferred to a new task involving colors (red and green), nonshifted birds (transferred from matching to matching, or oddity to oddity) performed significantly better than shifted birds (transferred from matching to oddity, or oddity to matching), but only if they had experienced negative instances of the training concept. When all birds were exposed to negative instances of the transfer task and then transferred to a new color task (yellow and blue), dramatic transfer effects were observed. The effect of pre-exposure to the yellow and blue colors, in order to reduce transfer-stimulus novelty, had a minor effect on transfer. |
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0022-5002 |
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PMID:16812097 |
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refbase @ user @ |
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271 |
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Author |
Ödberg, F.O. |
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Title |
A Study of the Hearing Ability of Horses |
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Year |
1978 |
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Equine Veterinary Journal |
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10 |
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2 |
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82-84 |
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SUMMARY The ability of 10 horses to hear frequencies between 14 and 25 Kc/s was tested. The horses appeared to perceive ultrasounds by showing either fright reactions or Pryer reflexes to all of the 12 frequencies. The highest frequencies were heard less by older animals, and elicited more reactions in geldings than in mares. RÉSUMÉ Le pouvoir auditif de 10 chevaux à entendre des fréquences comprises entre 14 et 25 kilocycles a étééprouvée. Les chevaux semblent percevoir des ultrasons en réagissant par des attitudes de frayeur ou par des réflexes de PRYER à toutes les fréquences étudiées. Les fréquences les plus élevées sont perues moins facilement par les chevaux agés et provoquèrent des réactions plus vives chez les hongres que chez les juments. ZUSAMMENFASSUNG Bei 10 Pferden wurde die Fähigkeit untersucht, Frequenzen zwischen 14 und 25 Kc/sec zu hören. Die Pferde schienen Ultraschall hören zu können: sie manifestierten Angst oder Pryer-Reflexe bei allen 12 Frequenzen. Die höchsten Frequenzen konnten von älteren Tieren weniger gut wahrgenommen werden; sie riefen auch bei Wallachen stärkere Reaktionen hervor als bei Stuten. |
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Blackwell Publishing Ltd |
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2042-3306 |
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Equine Behaviour @ team @ |
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5230 |
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Author |
Zentall, S.S.; Zentall, T.R.; Barack, R.C. |
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Title |
Distraction as a function of within-task stimulation for hyperactive and normal children |
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Year |
1978 |
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Journal of learning disabilities |
Abbreviated Journal |
J Learn Disabil |
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11 |
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9 |
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540-548 |
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*Attention; Child; Child, Preschool; Color Perception; Female; Humans; Hyperkinesis/*psychology; Male; Motor Skills; *Task Performance and Analysis; Visual Perception |
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0022-2194 |
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PMID:731119 |
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refbase @ user @ |
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270 |
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Author |
von Goldschmidt-Rothschild, V.B.; Tschanz, B. |
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Title |
Soziale Organisation und Verhalten einer Jungtierherde beim Camargue-Pferd |
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Journal Article |
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Year |
1978 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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46 |
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372-400 |
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German |
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refbase @ user @ |
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664 |
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Author |
Schusdziarra, H., Schusdziarra, V. |
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Title |
Gymnasium des Reiters |
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Book Whole |
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Year |
1978 |
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94 |
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Deutsch |
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3-489-60432-6 |
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Reiten Lesen Denken @ eberhardhuebener @ |
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983 |
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Author |
Herron, M.A.; Martin, J.E.; Joyce, J.R. |
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Title |
Quantitative study of the decussating optic axons in the pony, cow, sheep, and pig. |
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Year |
1978 |
Publication |
American Journal of Veterinary Research |
Abbreviated Journal |
Am. J. Vet .Res. |
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39 |
Issue |
7 |
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1137-9 |
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Equine Behaviour @ team @ |
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5586 |
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Author |
Dickinson, A.; Mackintosh, N.J. |
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Title |
Classical Conditioning in Animals |
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1978 |
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Annual Review of Psychology |
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29 |
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1 |
Pages |
587-612 |
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3539 |
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Author |
Sorensen, A.B. |
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Title |
Mathematical Models in Sociology |
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1978 |
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Annual Review of Sociology |
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4 |
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1 |
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345-371 |
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Equine Behaviour @ team @ Sorensen1978 |
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4293 |
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Author |
Parker, G.A.; MacNair, M.R. |
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Title |
Models of parent-offspring conflict. I. Monogamy |
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Journal Article |
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Year |
1978 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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26 |
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97-110 |
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Theoretical models for Trivers (1974) concept of parent-offspring conflict are examined for species in which the effects of the conflict are felt by full sibs. A rare conflictor gene will spread if Image , whereÆ’(m) is the fitness gained by a conflictor relative to a non-conflictor offspring (Æ’(m) >1), and m is the amount of parental investment taken by a conflictor relative to m = 1 for a non-conflictor. The range of m alleles which can spread against the parent optimum decreases as the cost to the parent increases until a point is reached where there is no conflict of evolutionary interests. There would be no polymorphism for conflictor: non-conflictor alleles unless special conditions prevail. The conflictor allele which spreads most rapidly as a rare mutant against the parental optimum is not an evolutionarily stable strategy (ESS). The ESS for parent-offspring conflict in monogamous species has m0 = Æ’(m0)/2[dÆ’(m0)/dm0]. The analytical solutions are confirmed throughout by simulations. |
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10.1016/0003-3472(78)90009-X |
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Call Number |
Equine Behaviour @ team @ |
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4901 |
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