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This scan was part of the human organ atlas which has X-ray tomography scans of other organs in the human body with the same resolution. [ 3 ] [ 4 ] A crucial idea for magnetic resonance imaging is that the net magnetization vector can be moved by exposing the spin system to energy of a frequency equal to the energy difference between the spin ...
' pain receptor ') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1] [2] [3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception.
The FBA was again examined through the use of fMRI analysing the mean peak response of the FBA to various stimuli. In this research experiments involving faces, headless bodies, body parts, cars and assorted objects were used as stimuli, and images were gathered across standard resolution and high resolution brain scans.
“Traumatic brain injury patients are notorious for looking really bad for weeks to even months, and then having a remarkable delayed recovery at six months or 12 months,” Greer said.
A 2-D model of cortical sensory homunculus. A cortical homunculus (from Latin homunculus ' little man, miniature human ' [1] [2]) is a distorted representation of the human body, based on a neurological "map" of the areas and portions of the human brain dedicated to processing motor functions, and/or sensory functions, for different parts of the body.
Further, the insula is where a person imagines pain when looking at images of painful events while thinking about their happening to one's own body. [29] Those with irritable bowel syndrome have abnormal processing of visceral pain in the insular cortex related to dysfunctional inhibition of pain within the brain. [30]
A neurological examination is the assessment of sensory neuron and motor responses, especially reflexes, to determine whether the nervous system is impaired. This typically includes a physical examination and a review of the patient's medical history, [1] but not deeper investigation such as neuroimaging.
[1] [2] Applications of MEG include basic research into perceptual and cognitive brain processes, localizing regions affected by pathology before surgical removal, determining the function of various parts of the brain, and neurofeedback. This can be applied in a clinical setting to find locations of abnormalities as well as in an experimental ...