When Does Bottom-Up Processing Start

question 18

Multiple Choice

When does bottom-up processing start?

• A) When environmental energy stimulates the receptors
• B) When an electrical signal is passed to the brain
• C) When motor neurons at the extremities are activated
• D) When the brain encodes information received by the receptors

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Definitions:

Neuron

A nerve cell; it carries nerve impulses between the brain or spinal cord and other parts of the body.

Nerve Fibers

Long, slender projections of nerve cells that transmit electrical impulses to different parts of the body.

Cerebrum

The most sizable region of the brain, tasked with controlling voluntary movement, visual perception, speaking, taste sensations, auditory experiences, thinking, and memory retention.

Sulci

Grooves or furrows on the surface of the brain, separating adjacent gyri.