Human Vision and Sensory Perception Quiz

The iris regulates pupil size, adjusting the amount of light entering the eye.

Spiciness is a sensation, not a primary taste; tastes include sweet, sour, salty, and bitter.

Depth perception is the ability to perceive objects in three dimensions and judge their distance.

Semicircular canals in the ear help maintain balance and spatial orientation by detecting head movements.

The iris gives the eye its color and controls the amount of light entering.

Astigmatism causes blurred vision due to lens or cornea irregularities affecting light focus.

The optic disc is the blind spot where the optic nerve connects, lacking light-sensitive cells.

Adaptation is the brain's adjustment to a constant stimulus, reducing sensitivity over time.

Nociceptors are pain receptors, signaling the presence of potentially damaging stimuli.

Basic tastes include sweet, sour, salty, and bitter; metallic is not a primary taste.

The occipital lobe processes visual stimuli, interpreting information received from the eyes.

Sensory interaction refers to the mutual influence of different senses on each other's perception.

The olfactory bulb processes information related to the sense of smell.

The hypothalamus regulates circadian rhythms and sleep-wake cycles.