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In psychology, relaxation is the emotional state of low tension, in which there is an absence of arousal, particularly from negative sources such as anger, anxiety, or fear. [ 2 ] Relaxation is a form of mild ecstasy coming from the frontal lobe of the brain in which the backward cortex sends signals to the frontal cortex via a mild sedative.
The term sedative describes drugs that serve to calm or relieve anxiety, whereas the term hypnotic describes drugs whose main purpose is to initiate, sustain, or lengthen sleep. Because these two functions frequently overlap, and because drugs in this class generally produce dose-dependent effects (ranging from anxiolysis to loss of ...
Electroencephalography has been used for meditation research.. The psychological and physiological effects of meditation have been studied. In recent years, studies of meditation have increasingly involved the use of modern instruments, such as functional magnetic resonance imaging and electroencephalography, which are able to observe brain physiology and neural activity in living subjects ...
Once again, studies have shown a bidirectional nature between depressive symptoms and lack of sleep due to stress. Long-term/chronic psychosocial stress is known to cause depression symptoms but the effect of chronic stress on sleep can lead to a ripple effect of further damage including poor emotional stability, lowered attention span and self ...
Tolerance occurs to the muscle-relaxant, anticonvulsant, and sleep-inducing effects of benzodiazepines [7] [16], and upon cessation a benzodiazepine withdrawal syndrome can occur. In a study of long term diazepam use, withdrawal phenomena occurred in 5% of patients taking diazepam for less than 8 months and 43% of patients taking diazepam for ...
Increased fear and anxiety and cognitive impairments are also associated with alcohol withdrawal kindling due to binge drinking or alcoholics with repeated alcohol withdrawal experiences. The impairments induced by binge drinking or repeated detoxification of alcoholics cause a loss of behavioural inhibition of the prefrontal cortex; the ...