Results 251 to 260 of about 667,765 (308)
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Cognitive deficit caused by regional depletion of dopamine in prefrontal cortex of rhesus monkey.

Science, 1979
Depletion of dopamine in a circumscribed area of association cortex in rhesus monkeys produces an impairment in spatial delayed alternation performance nearly as severe as that caused by surgical ablation of the same area.
T. Brozoski   +3 more
semanticscholar   +1 more source

Observation of Infant Monkeys by Female Monkeys

Perceptual and Motor Skills, 1963
This paper reports an exploratory study attempting to isolace one aspect of the maternal affectional system of rhesus monkeys (Harlow, 1960). Specifically, the visual incentive value of infant monkeys was measured in nulliparous adults and in multiparous animals before and after parturition.
Harry F. Harlow, Henry A. Cross
openaire   +3 more sources

Spatial and chromatic interactions in the lateral geniculate body of the rhesus monkey.

Journal of Neurophysiology, 1966
THE RECEPTORS AND NERVE CELLS that make up the visual pathway must convey and interpret information on both the form and the color of retinal images. In higher mammals little is known about the degree to which nerve cells are specialized for handling ...
T. Wiesel, D. Hubel
semanticscholar   +1 more source

Visual processing in monkey extrastriate cortex.

Annual Review of Neuroscience, 1987
The neuronal processes that lead to visual perception have attracted intense interest since Kuffier's studies of receptive field organization in cat retinal ganglion cells over three decades ago (Kuffier 1953). A variety of ana­ tomical and physiological
John H. R. Maunsell, W. Newsome
semanticscholar   +1 more source

Monkey responses to three different alarm calls: evidence of predator classification and semantic communication.

Science, 1980
Vervet monkeys give different alarm calls to different predators. Recordings of the alarms played back when predators were absent caused the monkeys to run into trees for leopard alarms, look up for eagle alarms, and look down for snake alarms.
R. Seyfarth, D. Cheney, P. Marler
semanticscholar   +1 more source

Hæmoglobins in Monkeys [PDF]

open access: possibleNature, 1958
WE recently described1 the finding of some abnormal haemoglobins in two species of monkeys. Work has continued since then, and we wish to report some further abnormal findings. All but one Cercocebus albigena were collected within a few miles of Epulu in the Belgian Congo.
N. C. Tappen, G. F. Jacob
openaire   +2 more sources

Recognition of monkey faces by monkey experts

Journal of Ethology, 2009
Human beings automatically discriminate human faces at the individual level. Infants aged 3 months implicitly recognise monkey faces, but this capacity disappears as recognition skills mature. Expertise is known to affect recognition capacities for different categories of stimuli that are not even face-like in their configuration.
Valérie Dufour   +2 more
openaire   +4 more sources

The anatomical connections of the macaque monkey orbitofrontal cortex. A review.

Cerebral Cortex, 2000
The orbitofrontal cortex (OfC) is a heterogeneous prefrontal sector selectively connected with a wide constellation of other prefrontal, limbic, sensory and premotor areas.
C. Cavada   +4 more
semanticscholar   +1 more source

Monkey Psychiatrists

American Journal of Psychiatry, 1972
Most efforts that have been made to reverse the effects of isolation on monkeys have been unsuccessful. The authors report on successful rehabilitation through the use of “therapist” monkeys. The therapists, three months younger than the isolate monkeys, initiated social contact in a nonthreatening manner.
Stephen J. Suomi   +2 more
openaire   +3 more sources

Handedness in monkeys

Experientia, 1951
Grunthal diskutiert die Bedeutung einer dominanten Hemisphare fur die Bevorzugung einer Hand (kontralateral). Er sprach die Vermutung aus, das Rhesusaffen noch Ambidexter sind; erst bei den hoheren Affen treten Unterschiede im Gebrauch einer Hand auf.
J. Cole, P. Glees
openaire   +3 more sources

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