A Report in a Research Journal Describes the Symptoms of a Mental

question 2

Multiple Choice

A report in a research journal describes the symptoms of a mental disorder along with information on its etiology,including a heritability of 50 percent.How should this finding be interpreted?

• A)Genetic factors and the environment contribute about equally to this disorder.
• B)Half of the people who suffer from the disorder have a genetically caused disorder.
• C)Half of the children of carriers of this disorder will actually develop the disorder.
• D)Geneticists have identified half of the genes thought to be responsible for this disorder.

---

Definitions:

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.

Older Adulthood

A stage of life characterized by advanced age, typically including retirement, increased leisure time, and often, changes in health status.

Sleep Patterns

The cyclical sequences and behaviors of sleep and wakefulness, including duration, quality, and timing, which are influenced by biological and environmental factors.

Delta Waves

Slow and high amplitude brain waves typically associated with the deep stages of sleep and unconsciousness.