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The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...
As the phobic person approaches a feared stimulus, anxiety levels increase, and the degree to which the person perceives they might escape from the stimulus affects the intensity of fear in instances such as riding an elevator (e.g. anxiety increases at the midway point between floors and decreases when the floor is reached and the doors open).
The modulation of all of the different types of plasticity is called heterosynaptic plasticity. Homosynaptic plasticity is also prevalent which consists solely of the Hebbian plasticity. In a variety of model systems, it has been shown that monoamines modulate plasticity underlying memory formation such as a heightened percept of fear. [8]
People showing signs of psychomotor agitation may be experiencing mental tension and anxiety, which comes out physically as: fast or repetitive movements; movements that have no purpose; movements that are not intentional; These activities are the subconscious mind's way of trying to relieve tension [citation needed]. Often people experiencing ...
Depression, severe anxiety and fear commonly stem from traumatic memories. [1] If symptoms of apathy, feeling of inability to control impulsive behavior, sleeplessness or irritability persist the person can discuss this with their family doctor or a psychotherapist.
The earliest warning signs of Alzheimer's disease include memory loss that impacts your daily functioning, vision and language issues, social withdrawal, and more.
Memory and trauma is the deleterious effects that physical or psychological trauma has on memory. Memory is defined by psychology as the ability of an organism to store, retain, and subsequently retrieve information. When an individual experiences a traumatic event, whether physical or psychological trauma, their memory can be affected in many ...
When a mental state is shared by a large proportion of the members of a group or society, it can be called a collective mental state. Gustave Le Bon proposed that mental states are passed by contagion , while Sigmund Freud wrote of war fever in his work Group Psychology and the Analysis of the Ego (1922), a perfect example of the collective ...