PSY340H5 Lecture Notes - Lecture 4: Sympathetic Nervous System, Selective Mutism, Autonomic Nervous System
Document Summary
Anxiety: childhood disorders were previously (in dsm-iv) grouped under their own category but are now (in dsm-v) are clustered around other adult disorders with similar symptoms. Selective mutism psychological disorder where a child refuses to talk, even though they have the ability to do so. Precipitated by social situations causing anxiety: anxiety has an adaptive reason helps to function in an environment that is constantly changing and motivates you towards tasks that are required to be done. An emotion that has evolved to keep humans alive. An unpleasant emotional state ranging from mild unease to intense fear. A certain level of anxiety is adaptive as it improves performance in the face of a negative situation which requires fleeing. Anxiety is an emotional state involved in the mechanism that helps with the negative reinforcement of attaining a positive state by taking a negative stimulus away. Anxiety is involved with the physiological, cognitive and psychological processing of environmental stimuli.
