If a Neuron Only Fires at Full Strength How Is

question 39

Multiple Choice

If a neuron only fires at full strength how is it possible for us to perceive the difference between a weak stimulus and a strong stimulus?

• A) It is the number of neurons firing that determines this
• B) The brain must determine from other factors how strong or weak a stimulus is.
• C) Memory of past similar stimuli determines this.
• D) We still don't know this. It is being researched.

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Definitions:

Melatonin

A hormone produced by the pineal gland in the brain, involved in regulating sleep-wake cycles.

Sleeping Pill

A medication used to induce or maintain sleep.

Depressant

A category of drugs that reduce neural activity and slow down the functions of the brain and body.

Stimulant

Substances that raise levels of physiological or nervous activity in the body, often enhancing alertness and energy.