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Like a seizure, sometimes a patient has a single one, or perhaps a few, and then does not for the rest of their life. [23] The mechanisms of idiopathic adrenergic storm are very poorly understood. Serotonin syndrome , in which an excess of serotonin in the synapses causes a similar crisis of hypertension and mental confusion, could be confused ...
Episodes can last as little as a few minutes or as long as ten hours, and they can occur multiple times a day. Episode duration has been seen to average 30.8 minutes and occur five to six times a day. [ 2 ]
Neuroplasticity is the process by which neurons adapt to a disturbance over time, and most often occurs in response to repeated exposure to stimuli. [27] Aerobic exercise increases the production of neurotrophic factors [note 1] (e.g., BDNF, IGF-1, VEGF) which mediate improvements in cognitive functions and various forms of memory by promoting blood vessel formation in the brain, adult ...
A person in a state of TGA exhibits no other signs of impaired cognitive functioning but recalls only the last few moments of consciousness, as well as possibly a few deeply encoded facts of the individual's past, such as their childhood, family, or home perhaps. [1] [2] Both TGA and anterograde amnesia deal with disruptions of short-term ...
The term long-term potentiation comes from the fact that this increase in synaptic strength, or potentiation, lasts a very long time compared to other processes that affect synaptic strength. [ 1 ] In neuroscience , long-term potentiation ( LTP ) is a persistent strengthening of synapses based on recent patterns of activity.
Shortly after injection, the patient had a drastic reduction in tremors, and they were able to control their muscles in ways they hadn't been able to in a long time. The effect peaked within 2.5 hours and lasted approximately 24 hours. [1]
Tardive dyskinesia occurs as a result of long-term use of dopamine-receptor-blocking medications such as antipsychotics and metoclopramide. [ 1 ] [ 2 ] These medications are usually used for mental illness but may also be given for gastrointestinal or neurological problems. [ 1 ]
Tumefactive multiple sclerosis is a condition in which the central nervous system of a person has multiple demyelinating lesions with atypical characteristics for those of standard multiple sclerosis (MS).