Maintaining a Steady-State Internal Environment, Despite a Changing External Environment

question 51

Multiple Choice

Maintaining a steady-state internal environment, despite a changing external environment, is called ________.

• A)heterostasis
• B)biofeedback
• C)homeostasis
• D)bioregulation

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Definitions:

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, vivid dreaming, and temporary paralysis of muscle systems apart from the eyes and respiratory muscles.

Dopaminergic Hypothesis

A theory suggesting that the imbalance of dopamine levels in the brain is a significant factor in the development of certain psychiatric disorders, especially schizophrenia.

Freudian Cathartic Hypothesis

A theory suggesting that releasing and confronting pent-up emotions through talking about one’s problems can lead to psychological healing.

Psychoactive Drugs

Substances that, when taken into the body, alter brain function, resulting in temporary changes in perception, mood, consciousness, and behavior.