Brain Facts Ch 2&3: Sense & Movement

Front

What are nociceptors?

Back

Nociceptors are sensory fibers that respond to stimuli that can cause tissue damage, signaling pain.

Front

Do hair cells in the ear regenerate?

Back

No, hair cells do not regrow once they are dead.

Front

What is gustation?

Back

Gustation is the sense of taste.

Front

What is the dorsal stream in the brain?

Back

The dorsal stream is known as the 'where' processing stream, responsible for spatial awareness and movement.

Front

What are the two types of photoreceptors in the retina?

Back

The two types of photoreceptors are rods and cones.

Front

What is the function of rods in the eye?

Back

Rods are photoreceptors that are sensitive to low light levels and are responsible for night vision.

Front

What is the function of cones in the eye?

Back

Cones are photoreceptors that detect color and are responsible for vision in bright light.

Front

What is the role of interneurons?

Back

Interneurons are neurons that connect sensory and motor pathways, processing information within the central nervous system.

Front

What is olfaction?

Back

Olfaction is the sense of smell.

Front

What is the difference between the ventral and dorsal streams?

Back

The ventral stream is responsible for object recognition ('what'), while the dorsal stream is responsible for spatial awareness ('where').