Glossary H
Glossary H
Hyperthyroidism is a medical condition that occurs when the thyroid gland produces an excessive amount of thyroid hormone. This hormone controls many bodily functions, including metabolism, heart rate, and body temperature. Hyperthyroidism can cause a range of physical and psychological symptoms, including anxiety, irritability, weight loss, and tremors.
Hyperventilation is a medical condition that occurs when an individual breathes too quickly or deeply, leading to an imbalance of carbon dioxide and oxygen in the body. This can cause a range of physical symptoms, such as dizziness, lightheadedness, and tingling in the hands and feet. However, in the psychology context, hyperventilation is often associated with anxiety and panic disorders.
Hypnagogic hallucination refers to vivid dreamlike visions experienced by some patients of narcolepsy; a vivid , dreamlike intrusions into wakefulness that occur in the transition between wakefulness and sleep onset. Hypnagogic hallucination also refers to a vivid dreamlike hallucination that occurs as one is falling asleep. It is the opposite of an Hypnopompic hallucination which is a vivid dreamlike hallucination that occurs as one is waking up.