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Table 21-2

Common Symptoms of Anxiety

OriginSymptom
Physical symptoms of brainstem originFatigue, cold chills, headaches, difficulty breathing, difficulty sleeping, dizziness, shaking, sweating, muscle tension, restlessness, GI disturbances, numbness in fingers and toes, and palpitations
Emotional symptoms of limbic system originNervousness, fear, panic, apprehension, feeling detached from part of own body, or feeling that the surroundings are unreal
Cognitive symptoms of neocortical system originIntrusive thoughts or concerns about losing one’s mind, losing control, frightening scenes, having physical illnesses, being inadequate, being disapproved, fainting, difficulty concentrating