When a Rubber Rod Is Stroked with a Piece of Fur

question 38

Multiple Choice

When a rubber rod is stroked with a piece of fur,

• A)the rod becomes negatively charged while the fur remains neutral.
• B)both the rod and fur become negatively charged.
• C)the rod becomes negatively charged and the fur becomes positively charged.
• D)Any of these choices could be correct, depending on how hard the rod is stroked.

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Definitions:

Primary Visual Cortex

The region of the brain located in the occipital lobe that processes visual information.

Vision For Action

A theory in cognitive neuroscience which posits that visual processing in the brain is done for the purpose of performing actions, rather than for perception alone.

Subcortical Vision

Vision processing that occurs below the cerebral cortex, involving brain structures responsible for basic visual tasks and reflexes.

Conscious Vision

The aspect of sight that involves awareness of what one sees, depending on brain processes that interpret visual information.