Visual area V2, or secondary visual cortex, also called prestriate cortex, [31] receives strong feedforward connections from V1 (direct and via the pulvinar) and sends robust connections to V3, V4, and V5. Additionally, it plays a crucial role in …

Oct 25, 2007 · They suggest that the precise lower-tier visual field maps (V1, V2, and V3) are replaced in more anterior visual cortex by much cruder, or absent, maps that are organized around representations of perceptual entities, including faces, places, and objects.

Nov 16, 2022 · In each hemisphere, the first three visual maps (V1, V2, and V3) are among the largest distinct regions of the human cortex, and each forms a complete representation of the contralateral visual hemifield (for review, see Wandell and Winawer, 2011).

Mar 21, 2023 · We used fMRI-based population receptive field (pRF) modeling to measure retinotopic maps in early visual cortex (V1, V2, and V3) in 24 adults (22-26 years old) and 25 children (5-12 years old).

Combining the eccentricity and angular representations, we find a continuous hemifield map in calcarine (V1), as well as two additional maps, V2 and V3, that comprise two long strips of cortex surrounding V1.

Iso-eccentricity lines in visual cortex are continuous within clusters, such as the posterior cluster containing V1, V2, V3, and hV4, and the ventral occipital cluster containing the VO-1/2 maps. The eccentricity overlay and the map boundaries are identical to those in Figure 3 .

There is good visibility of the V1–V3 eccentricity maps, and it is plain that V2 and V3 surround V1 (bottom). Distinct foveal representations can be seen in dorsal and ventral regions beyond the V3 border.

Primary visual cortex (V1), which receives direct input from the retinogeniculate pathway, occupies calcarine cortex and represents a hemifield of visual space. Two additional maps (V2, V3)...

The position, surface area and visual field representation of human visual areas V1, V2 and V3 were measured using fMRI in 7 subjects (14 hemispheres). Cortical visual field maps of the central 12 deg were measured using rotating wedge and expanding ring stimuli.

Jan 15, 2010 · In contrast, the comparison of retinotopic maps for areas V1, V2, V3d, V3v, and V4(v) with cytoarchitectonic data of BA17, BA18, hOC3d, hOC3v, and hOC4v based on maximum probability maps clearly showed good correspondence between anatomical and functional summary maps of the early human visual cortex.