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Sensory stimulation therapy (SST) is an experimental therapy that aims to use neural plasticity mechanisms to aid in the recovery of somatosensory function after stroke or cognitive ageing. Stroke and cognitive ageing are well known sources of cognitive loss, the former by neuronal death , the latter by weakening of neural connections .
Lighter Side. Medicare. News. Science & Tech. Shopping. Sports. Weather. 24/7 Help. For premium support please call: ... Stroke patients test new nerve stimulation therapy. Karl Mercer - BBC London.
Extinction to double simultaneous stimulation is not only attributed to a primary sensory deficit since these patients are aware of contralateral stimuli presented individually. Attentional Deficit Hyperactivity Disorder (ADHD) is more focused on as a role of abnormal sensory processing of contralesional input. [ 7 ]
AVE effects on the EEG are found primarily over the sensory-motor strip, frontally, and in the parietal lobe (somatosensory) regions and slightly less within the prefrontal cortex. [ 3 ] It is within these areas where motor activation, attention , executive function , and somatosensory (body) awareness is primarily mediated.
Unlike many effects of stroke, where the clinician is able to judge the particular area of the brain that a stroke has injured by certain signs or symptoms, the causation of apraxia is less clear. A common theory is that the part of the brain that contains information for previously learned skilled motor activities has been either lost or ...
For example, a stroke affecting the right parietal lobe of the brain can lead to neglect for the left side of the visual field, causing a patient with neglect to behave as if the left side of sensory space is nonexistent (although they can still turn left). In an extreme case, a patient with neglect might fail to eat the food on the left half ...
This forces the patient to exercise spatial awareness using the damaged side of the brain, increasing activity around the lesion. While generally a treatment used for visual neglect (a different but related neurological disorder), LLA still increases brain activity around damaged area in patients with visual extinction and generates improvement ...
One study looked into the effects of pallesthesia on stroke patients. [3] They theorized that sinusoidal stimulation may be an effective therapy; however, the results were inconclusive. It is rare for current research to use pallesthesia because better methods of testing the sensory system have been developed.
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