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fMRI imaging helps researchers determine which parts of the brain
fMRI results from one motor-mapping task and two language-mapping tasks in 22 consecutive patients were included in multi-subject analyses.
The belief that a hospital isnot a place to merely treat illness but an institution that celebrates wellness, has led to the creation of Retail Therapy, AlternativeRemedies, a Health Club and an array of services presented at FMRI.
The proximity of the tumour to the primary motor cortex was of particular concern, so the patient was referred to CUBIC for an fMRI scan that was deemed crucial to establish safe resection margins and avoid injury to these eloquent cortical areas during surgery.
The contrast in fMRI is a consequence of the higher ratio of oxy- to deoxyhaemoglobin that accompanies neuronal activation in local draining venules and veins and is known as the blood oxygenation level dependent (BOLD) signal.
Semrau wanted to submit test results from an fMRI lie detection method developed by a company called Cephos.
The authors report that the combination of increasing age and OSA, compared with either one alone, led to impaired task function and decreased fMRI signals in the task-related brain regions.
To analyze how signal changes in concert with experimental manipulations, it is necessary to acquire many brain images during an fMRI experiment.
FMRI was performed using an EPI gradient-echo sequence (TE = 90.
This experiment shows that it is possible to use fMRIs to gather some kinds of memories from people.
The processes observed using fMRI methods result from local variations in the cerebral blood oxygen levels and blood flow triggered by the activation of the cortical regions associated with the performance of specific tasks.
Patients with severely impaired consciousness, who were previously thought to be incapable of cognitive or sensory function, have been found, with the use of fMRI, to have stimulus-activated cortical networks, despite lack of any consistent or reliable motor response.
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