Describe What Happens to a Light Stimulus from the Time

question 88

Essay

Describe what happens to a light stimulus from the time it is focused on the retina until it arrives at the visual cortex in the brain. Be sure to mention the key cells/structures and their functions.

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Definitions:

Olfactory Bulbs

Structure at the base of the forebrain involved in the sense of smell, processing odors and relaying information to the brain.

Neurons

Basic working units of the brain, specialized cells conducting nerve impulses.

Hypothalamus

An area located beneath the thalamus in the brain responsible for regulating the autonomic nervous system and the pituitary gland's functions, including the regulation of body temperature, thirst, hunger, and additional systems that maintain body equilibrium.

Pituitary Gland

A pea-sized gland located at the base of the brain, crucial for regulating vital body functions and general wellbeing through the secretion of hormones.