Onset is a term in the medicine which refers to the first appearance of the signs or symptoms of an illness
In psychology, the term "onset" usually refers to the beginning or start of something, such as the onset of a particular symptom or behavior. Here are a few examples of how "onset" might be used in the field of psychology:
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The onset of depression: This refers to the point at which an individual begins to experience symptoms of depression, such as feelings of hopelessness, loss of energy, and changes in appetite or sleep patterns.
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The onset of anxiety: This refers to the point at which an individual begins to experience symptoms of anxiety, such as feelings of worry, nervousness, or fear.
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The onset of a phobia: This refers to the point at which an individual begins to experience extreme fear or avoidance of a specific object or situation.
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The onset of a behavioral disorder: This refers to the point at which an individual begins to exhibit problematic or inappropriate behaviors, such as aggression or impulsivity.