Family and Twin Studies of Those Who Suffer from Panic

question 271

Multiple Choice

Family and twin studies of those who suffer from panic attacks suggests that panic attacks

• A) do not have a genetic component.
• B) have a genetic component.
• C) are associated with a history of child abuse.
• D) have a neurological cause.

---

Definitions:

Muscle Activity

The physical action or movement produced by the contraction of muscles.

Brain-Wave Activity

The patterns of electrical activity in the brain, measurable by EEG, associated with different states of consciousness.

Restless Legs Syndrome

A neurological disorder characterized by an uncontrollable urge to move the legs, usually due to uncomfortable sensations.

L-dopa

A precursor to the neurotransmitters dopamine, norepinephrine, and epinephrine, frequently used in the treatment of Parkinson's disease.