major depressive disorder
Medical term Psychology
A mood disorder with persistent sadness or loss of interest plus other symptoms that interfere with daily life.
Related terms
- displacementA defense mechanism of redirecting feelings toward a safer target, such as yelling at staff when angry about…
- griefThe emotional response to a loss.
- hallucinationSeeing, hearing, smelling, tasting or feeling something that is not there.
- hierarchy of needsMaslow's five levels of human needs: physiological, safety, love and belonging, esteem, and…
- operant conditioningLearning in which behavior is shaped by the consequences that follow it, such as rewards.
- panic attackA sudden episode of intense fear with physical symptoms such as chest pain, sweating, trembling and a racing…
- phobiaAn excessive, irrational fear of a specific object or situation.
- projectionA defense mechanism of attributing one's own unacceptable feelings or impulses to someone else.
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