The "Gateway" Theory of Substance Misuse

question 23

Multiple Choice

The "gateway" theory of substance misuse

• A)has been accepted as proven fact.
• B)has been challenged but has survived these challenges to be accepted by most mental health professionals.
• C)has not been successfully resolved and is open to ongoing debate.
• D)applies only to children under the age of 14.

---

Definitions:

Visual System

The visual system is the part of the central nervous system that enables organisms to process visual detail, including the eyes, optic nerves, and brain regions involved in visual perception.

Absolute Threshold

The minimum intensity of a stimulus that one can detect half the time.

Psychological Dimension

An aspect of an individual's mental or emotional state that influences their behavior and perception of the world.

Specialized Brain Cells

Neurons or glial cells in the brain that have specific functions, such as sensory processing, signal transmission, or support of neural activity.