English
Fear
Introduction
Introduction Fear is a state of human and biological psychological activity; usually called a kind of emotion. From a psychological point of view, fear is an emotional experience in which an organism attempts to get rid of, escape from, and powerless. Its essential manifestation is that the physiological tissues of the organism are violently contracted (normally, the contraction and extension are alternately operated in pairs); the tissue density is sharply increased; the energy is released sharply.
Cause
Cause
The reason for this is that normal physiological activities encounter serious obstacles, physiological obstacles will produce a variety of emotions and occur in order, and fear is one of the serial numbers.
Examine
an examination
Related inspection
Fear test of craniocerebral ultrasound for shoulder dislocation
Its clinical manifestation is phobia, which is an irrational and inappropriate fear of an object or an environment. Once faced with such an object or environment, phobia patients will have an extreme sense of horror, so that they will do everything possible to avoid this environment, because he is afraid that he can not escape.
Diagnosis
Differential diagnosis
Generated by threats and accompanied by emotional reactions that evade desires. Most of the fear of human beings is acquired. The fear response is characterized by a high degree of alertness to the threats that occur. If the threat persists, the individual's activities are less, and the gaze gaze at the dangerous things. As the danger increases, it can develop into an uncontrollable state of panic. In severe cases, there are excitement, crying, laughter, thinking and behavior out of control, and even shock. Common physiological reactions in fear include heartbeat, thirst, sweating, and nervousness. The increase in muscle tone, skin conductance, and respiratory rate in fear reactions is mainly related to the function of adrenaline, and the characteristics of anger. It is mainly associated with norepinephrine.
Phobia is a pathological form of fear. The patient experiences an extreme and irrational fear of certain things (such as dogs, darkness, light, etc.), and the resulting fear is not in harmony with the danger of realistic stimuli.
Its clinical manifestation is phobia, which is an irrational and inappropriate fear of an object or an environment. Once faced with such an object or environment, phobia patients will have an extreme sense of horror, so that they will do everything possible to avoid this environment, because he is afraid that he can not escape.
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