Labile affect意思

"Labile affect" is a term used in psychology and psychiatry to describe a person whose emotions or moods are easily aroused and change rapidly. The word "labile" comes from the Latin word "labere," which means "to slip" or "to fluctuate," and it is often used to describe a person whose emotional state is unstable and unpredictable.

Someone with a labile affect may experience a wide range of emotions in a short period of time, and these emotions may be disproportionate to the situation at hand. For example, they may laugh uncontrollably at a minor joke one moment and then burst into tears over a minor disappointment the next. This instability can make it difficult for the person to maintain emotional control and can be a symptom of various mental health disorders, such as bipolar disorder, borderline personality disorder, or post-traumatic stress disorder (PTSD).

Labile affect can also be a feature of certain neurological conditions, such as epilepsy or traumatic brain injury, and it may be a side effect of certain medications or substances. In some cases, labile affect may be a normal variation in personality, although it is more commonly associated with emotional dysregulation and psychological distress.