Kittens Raised in Environments Where They Were Only Exposed to Vertical

Multiple Choice

Kittens raised in environments where they were only exposed to vertical stimuli (i.e., vertical stripes) had visual receptor cells that would only fire in response to vertical stimuli. Stimuli with other orientations evoked no response. This research was discussed as a demonstration of the importance of

A) vertical adaptation
B) monocular depth cues
C) critical periods
D) visual illusions