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single-cell studies: monkey

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akinetopsia

akinetopsia  

A perceptual defect characterized by an inability to perceive motion, objects being visible while at rest but movement causing them to disappear, invariably associated with a lesion in Area V5 (also ...
attention, neural basis

attention, neural basis  

Natural visual scenes are cluttered and contain many different objects. However, the capacity of the visual system to process information about multiple objects at any given moment in time is ...
binding problem

binding problem  

Within the field of knowledge representation, the problem of how to represent conjunctions. In visual perception, in order to pick out a blue square from a display including a collection of red ...
binocular rivalry

binocular rivalry  

Inability to perceive two markedly different images presented to the left and right eyes simultaneously, one invariably dominating over the other for the whole or part of the percept at any ...
blinking

blinking  

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n. the action of closing and opening the eyelids, which wipes the front of the eyeball and helps to spread the tears. Reflex blinking may be caused by suddenly bringing an object near to the eye: the ...
brain

brain  

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n. the enlarged and highly developed mass of nervous tissue that forms the upper end of the central nervous system (see illustration). The average adult human brain weighs about 1400 g (approximately ...
correlates of consciousness, computational

correlates of consciousness, computational  

The expression ‘computational correlate of consciousness’ was first used by Mathis and Mozer (1995), who, taking a computational approach to the problem of consciousness, asked ‘What conditions must ...
filling-in

filling-in  

The action of the visual system or other perceptual system, when responding to a stimulus with gaps or missing information, of guessing the missing information by assuming that it is the same as the ...
frontal cortex

frontal cortex  

The frontal cortex is the part of the cerebral cortex that lies forward of the central sulcus, which separates the frontal lobe from the parietal lobe, and above the Sylvian ...
functional brain imaging

functional brain imaging  

Functional brain imaging refers to a group of technologies developed in the last quarter of the 20th century that allow the non‐invasive measurement of human brain activity. These technologies have ...
Gestalt theory

Gestalt theory  

A theory of perception and social understanding that emphasizes the degree to which individuals understand phenomena as wholes, greater than the sum of their individual parts. ‘Gestaltists argue for ...
Helen, ‘a blind monkey who saw everything’

Helen, ‘a blind monkey who saw everything’  

In my supervisor Larry Weiskrantz's laboratory at Cambridge in 1967, there was a monkey named Helen. She had undergone a surgical operation to remove the primary visual cortex, V1, at ...
imagery

imagery  

(im-ij-er-i)the production of vivid mental representations by the normal processes of thought. eidetic i. the production of images of exceptional clarity, which may be recalled long after being first ...
learning, perceptual

learning, perceptual  

Perceptual learning is the relatively permanent improvement in detecting, discriminating, or categorizing sensory stimuli through experience (e.g. Fahle and Poggio 2002). Thus, perceptual learning is ...
neural stimulation

neural stimulation  

An important focus in the study of conscious perception has been the search for the neural correlates of consciousness (Koch 2005). In many typical approaches, investigators seek to find whether ...
neuronal global workspace

neuronal global workspace  

The cognitive theory of a global workspace was developed by Baars (1989). Here we describe a cognitive neuroscientific hypothesis, partially derived from Baars' architecture, and termed the ‘global ...
priming

priming  

1 In a task involving recall, recognition, or some other form of cognitive performance, the provision of a contextual cue (3), prime (1), or prompt that provides information about either the identity ...

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