Transcranial Doppler ultrasonic assessment of middle cerebral artery blood flow velocity changes during verbal and visuospatial cognitive tasks

• Published in: Neuropsychologia Vol. 32; no. 12; p. 1443
• Main Authors: Hartje, W, Ringelstein, E B, Kistinger, B, Fabianek, D, Willmes, K
• Format: Journal Article
• Language: English
• Published: England 01.12.1994
• Subjects: Adult; Arousal - physiology; Attention - physiology; Blood Flow Velocity - physiology; Cerebral Cortex - blood supply; Dominance, Cerebral - physiology; Humans; Male; Orientation - physiology; Pattern Recognition, Visual - physiology; Problem Solving - physiology; Psychomotor Performance - physiology; Reading; Reference Values; Ultrasonography, Doppler, Transcranial; Verbal Learning - physiology

Hemisphere specific changes of blood flow velocity in the right and left middle cerebral artery (MCA) induced by cognitive demands of verbal and nonverbal tasks were examined by means of a newly developed technique of simultaneous bilateral transcranial ultrasonic Doppler sonography (TCD). Thirty-on...