Chapter 15 Vocab

4. disorder A mental illness in which a person feels too much anxiety, often in response to everyday situations.
5. Illness Health condition that changes a person’s thoughts, emotions, and behavior that affects the person’s ability to undertake daily functions.
7. stress disorder A mental illness that develops after a terrifying incident that involved physical or the threat of harm.
9. Mental illness in which a person loses touch with reality; often characterized by hallucinations, such as voices that other people cannot hear, and delusions.
12. In obsessive-compulsive disorder, undesirable thoughts that occur constantly, causing anxiety.
13. addiction The uncontrolled use of a drug
14. depressive disorder Mental illness characterized by a combination of symptoms that include prolonged sadness and that interfere with a person’s ability to undertake everyday activities
15. deficit hyperactivity disorder A mental illness characterized by inattention, hyperactivity, and impulsiveness; diagnosed most often in children

1. disease Type of dementia that causes the death of brain cells and the subsequent impairment of thinking and memory.
2. unfounded or irrational distrust of other people
3. In obsessive-compulsive disorder, behaviors or rituals that develop in response to the anxiety caused by obsessive thoughts.
6. disorder A mental illness that causes unusual shifts in a person’s mood, energy, and ability to function: also known as manic-depressive disorder.
8. An irrational fear of an object or event that poses little or no actual risk.
10. A feeling of worry and fear that causes physical symptoms, such as sweating, and stress.
11. Any chemical substances that change a person’s physical or psychological state.