Question

Describe what is meant by corollary discharge (reafference).

a. Sensory information sent to higher brain regions.
b. Motor commands sent to the spinal cord.
c. Predictive signals sent to the visual cortex.
d. Self-generated sensory predictions sent to the brain.

Answer 1

Corollary discharge, also known as reafference, refers to self-generated sensory predictions sent to the brain. This mechanism allows the brain to distinguish between self-generated sensory signals and external sensory signals.

Step-by-step explanation:

Corollary discharge, also known as reafference, refers to self-generated sensory predictions sent to the brain. It is a mechanism that allows the brain to distinguish between self-generated sensory signals and external sensory signals.

For example, when you move your eyes, the motor commands sent to the eye muscles result in a change in visual input. However, the brain predicts this change and cancels out the self-generated visual signals, allowing you to maintain a stable perception of the world.

This process is important for conscious perception and motor control, as it helps the brain to accurately interpret and respond to sensory information.