In hospital, referral to neuropsychologist often comes from neurologist. Lumbar puncture (spinal tap) to obtain cerebrospinal fluid for further testing: consulting role: help diagnose+ treat neurological disorder while advising primary care physician on treatment, surgery performed by neurosurgeon, neurologist helps to monitor surgically treated individuals. Test); depending on results, tests of more specific cognitive function given: common goals of neuropsychological assessment, evidence of cognitive dysfunction (often mild). Frequently reveals subtle deficits not readily apparent from other sources. Means for understanding ambiguous results from other assessments (i. e. radiology: provides profile of cognitive function at specific time-> highlights impaired+ preserved cognitive function+ used to document disease progression (or remission) + to plan rehabilitation. Insights into functions of diff areas of brain (i. e. role of basal ganglia in cognitive functions: cognitive profile helps determine reason for cognitive impairment. Certain cognitive profiles associated w specific conditions/ diseases. Often difficult to www. notesolution. com diagnose/differentiate among diseases during early stages.