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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.
Focal neurological deficits may be caused by a variety of medical conditions such as head trauma, [1] tumors or stroke; or by various diseases such as meningitis or encephalitis or as a side effect of certain medications such as those used in anesthesia. [2] Neurological soft signs are a group of non-focal neurologic signs. [3]
Two-point discrimination (2PD) is the ability to discern that two nearby objects touching the skin are truly two distinct points, not one.It is often tested with two sharp points during a neurological examination [1]: 632 [2]: 71 and is assumed to reflect how finely innervated an area of skin is.
Deficits in visual field perception often suggest damage along the length of the optic pathway between the orbit and the diencephalon. For example, loss of peripheral vision may be the result of a pituitary tumor pressing on the optic chiasm. The pituitary, seated in the sella turcica of the sphenoid bone, is directly inferior to the optic ...
Similar to the sensory organization test, the visual pathway would then be removed by closing the eyes. If the proprioceptive and vestibular pathways are intact, balance will be maintained. But if proprioception is defective, two of the sensory inputs will be absent and the patient will sway then fall. Similar to the Romberg Test, the patient ...
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]
A patient experiencing symptoms of hypoesthesia is often asked a series of questions to pinpoint the location and severity of the sensory disruption. A physical examination may follow where a doctor may tap lightly on the skin to determine how much feeling is present. Depending upon the location of the symptoms occurring, a doctor may recommend ...
[medical citation needed] Physical examination may reveal motor and sensory deficits in the distribution of a nerve root. In the case of cervical radiculopathy , Spurling's test may elicit or reproduce symptoms radiating down the arm.