Results 161 to 170 of about 22,003 (214)
Behavioral assessment of combinatorial semantics in baboons (Papio papio)
Behavioural Processes, 2016 Combinatorial semantics is a core property of human language whose mechanisms remain poorly known. This study used computerized tasks with touch screens to investigate whether baboons (Papio papio) can understand the combination of shape and color labels in order to designate their corresponding colored shape.
Tiphaine, Medam, Joël, Fagot
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Orthographic Processing in Baboons ( Papio papio )
Science, 2012Monkey See, Monkey Read An orthographic object such as a set of letters, and the ability to recognize such sets as words, is a key component of reading. The ability to develop these skills has often been attributed to the prior acquisition of a complex language.
Grainger, Jonathan +4 more
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The influence of thyroxine in photosensitive baboons Papio papio
Electroencephalography and Clinical Neurophysiology, 1974Abstract The changes in photically-induced epileptic responses were studied in Papio papio after synthetic thyroxine administration in various doses. Photosensitivity was diminished or abolished in 50 6 animals tested during hormone treatment. Thyroidetomy in a slightly photosensitive baboon induced, one month later, an augmentation of convulsive
T, Serbanescu, E, Balzamo
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Processing of contour closure by baboons (Papio papio).
Journal of Experimental Psychology: Animal Behavior Processes, 2011This study investigated the Gestalt law of closure in baboons. Using a computer-controlled self-testing procedure, we trained baboons (Papio papio) to discriminate open versus closed shapes presented on a touch screen with a two-alternative forced choice procedure.
Barbet, Isabelle, Fagot, Joël
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Social Organization of the Guinea Baboon, Papio papio
Folia Primatologica, 1972A wild troop of Papio papio was observed over a 3-month period in Senegal, West Africa. The overall organization of the troop is described, and it is suggested that some kind of substructuring occurs within the troop. An analysis of the compositions of night- and day-resting parties confirms this, but indicates that the way in which the troop splits up
R I, Dunbar, M F, Nathan
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Epilepsy and sleep organization in the baboon Papio papio
Electroencephalography and Clinical Neurophysiology, 1976Effects of different types of epileptic seizure on the sleep organization of baboon were studied through 12 h polygraphic recordings. Photically induced myoclonic jerking did not modify sleep organization. Photically induced genalized convulsions produced an increase of the waking stage (AWA) and reduction of REM stage.
T, Tanaka, R, Naquet
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Neuroscience Letters, 1989
The distribution of gamma-aminobutyric acid (GABA)-like immunoreactivity was studied in semithin sections through the inferior olivary complex in two baboon species. About 5% of the olivary neurons were GABA-immunoreactive. The GABA-immunoreactive neurons differed from the large majority of olivary neurons by their smaller size and their lower contents
F, Walberg, O P, Ottersen
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The distribution of gamma-aminobutyric acid (GABA)-like immunoreactivity was studied in semithin sections through the inferior olivary complex in two baboon species. About 5% of the olivary neurons were GABA-immunoreactive. The GABA-immunoreactive neurons differed from the large majority of olivary neurons by their smaller size and their lower contents
F, Walberg, O P, Ottersen
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Myoclonus developing after vermisectomy in photosensitive Papio papio
Electroencephalography and Clinical Neurophysiology, 1978Two vermisectomized photosensitive baboons exhibited two different types of myoclonus, one induced by intermittent light stimulation (ILS) and the other occuring "spontaneously". The characteristics of these two types of myoclonus are described from a clinical and from an ECoG point of view.
S, Brailowsky, C, Menini, R, Naquet
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Guinea baboons (Papio papio) at a sleeping site
American Journal of Primatology, 1984AbstractDescriptive and quantitative observations were made of wild Guinea baboons (Papio papio) at a regularly used sleeping tree (Ceiba pentandra) in Senegal. Observations concentrated on the transition from darkness before sunrise until the baboons had left the tree. Behavior at sleeping sites is affected by a variety of social and nonsocial factors.
J R, Anderson, W C, McGrew
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A medulloblastoma in a baboon (Papio papio).
Laboratory animal science, 1980A transitional medulloblastoma was found in the cerebellum of a young female baboon. The primary lesion that permitted its discovery was papillary and retinal edema in the peripapillary zone.
J, Berthe +3 more
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