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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Separation anxiety disorder (SAD) is an anxiety disorder in which an individual experiences excessive anxiety regarding separation from home and/or from people to whom the individual has a strong emotional attachment (e.g., a parent, caregiver, significant other, or siblings). Separation anxiety is a natural part of the developmental process.
The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 1 ]
The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Management Main article: Management of depression
The disorder is common in children and young adults, diagnosed on average between the ages of 8 and 15. [48] If left untreated, people with SAD exhibit asocial behavior into adulthood, avoiding social interactions and career choices that require interpersonal skills. SST can help people with social phobia or shyness to improve their ...
Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow.An individual experiencing sadness may become quiet or lethargic, and withdraw themselves from others.
The term pessimism derives from the Latin word pessimus, meaning 'the worst'.It was first used by Jesuit critics of Voltaire's 1759 novel Candide, ou l'Optimisme.Voltaire was satirizing the philosophy of Leibniz who maintained that this was the 'best (optimum) of all possible worlds'.
Spatial perspective explains sad crying as reaching out to be "there", such as at home or with a person who may have just died. In contrast, joyful crying is acknowledging being "here." It emphasized the intense awareness of one's location, such as at a relative's wedding. [45] Temporal perspective explains crying slightly differently.