V5a
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  V5a



V5a

    Seems to be involved in visually tracking moving target. Projects along with Middle Temporal Area (MT) to the dorsolateral pontine nuclei in the brain stem.

RELATED TERMS
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Temporal
Having to do with the side of the head.

Nuclei
See nucleus.

Brain
"That part of the central nervous system that is located within the cranium (skull). The brain functions as the primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called ""hemispheres."" "



SIMILAR TERMS
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PREVIOUS AND NEXT TERMS
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Vieth-Muller circle
When the foveal centers are pointed at an object, the range for which images of all other objects fall on corresponding points of zero horizontal disparity. This differs from the perceived range of zero disparity, the Horopter.

Viewer centered coordinate system
The projection of an objects shape on the retina depends on the vantage point of the viewer.

Visual angle
A measurement of the area of the retina in degrees subtended by a stimulus. Roughly speaking the width of one's thumb at arm's length is approximately 2 degrees.

Visual phosphene
The visual perception resulting from non-photopic stimulation such as electrical stimulation of the cortex or pressing on the eyeball. Brinkdley & Lewin 1968) and Bak et al (1990) have shown that stimulation of the cortex produces visual pherceptions.

Vitreomacular traction syndrome
A traction-induced visual deficit in which partial posterior vitreous detachment is present in combination with persistent macular adherence.

V5a

V5
Characterized by strong motion-directionally sensitive neurons with large receptive fields organized into columns. Some neurons respond to the whole rather than the component motion of moving plaid patterns. Implicated in the analysis of movement, and stereoscopic depth. Receives input from layer 4B in V1 and thick stripes in V2. Projects to Medial Superior Temporal Area (MST).

Verruca
A wart.

Verrucous
Rough; wart-like.

Viscous
Thick, coagulated; sticky or gummy.

Verbigeration
Stereotyped and seemingly meaningless repetition of words or sentences.

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