The Distribution of Neurons Within the Somatosensory Cortex of Humans

question 297

Multiple Choice

The distribution of neurons within the somatosensory cortex of humans is uneven.Proportionately, larger areas of this region are dedicated to the:

• A)back, trunk, and thighs
• B)face, lips, and fingers
• C)eyes, ears, mouth, and nose
• D)neck, shoulders, and chest

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Definitions:

Lateral Inhibition

A process in neural networks of the brain where an excited neuron reduces the activity of its neighbors, sharpening sensory perceptions and contrasts.

Acuity

The sharpness or keenness of thought, vision, or hearing.

Duplex Theory

A concept in various fields, but could refer to theories that propose two fundamental components or processes that work simultaneously to explain a phenomenon.

Night Vision

The ability to see in low-light conditions, achieved through the adaptation of the eyes and various technologies designed to enhance human vision in the dark.