By the Late 1920s, Radio Had Grown from a Dispersed

question 97

Essay

By the late 1920s, radio had grown from a dispersed and local medium into a national, commercial mass medium. Describe two important consequences of that growth for programming.

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Definitions:

Stimulants

Substances that increase activity in the brain and body, often enhancing alertness, attention, and energy.

Mirror Neurons

Neurons that fire both when an individual acts and when the individual observes the same action performed by another, contributing to empathy and understanding.

Neurotransmitter

Chemical messengers used by the nervous system to transmit messages between neurons or from neurons to muscles.

Hormones

Chemical messengers produced by the endocrine glands that are released into the blood to affect target organs.