Orientation preference of straight-line stimuli across the primary visual cortex is arranged in a pattern.
a) cross
b) pinwheel
c) square
d) diffuse

pinwheel

Explanation:

Orientation preference in the primary visual cortex is a prominent feature of higher mammals. The neurons are arranged in the fix orientation in a primary visual cortex.

The orientation map has analysed that there are pinwheel like orientation are arranged in the ordered fashion. Orientation preference of straight-line stimuli across the primary visual cortex is arranged in pinwheel pattern.

Thus, the correct answer is option (b).

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