<prompt> Which of the following is likely to be found in a patient with lesion in shaded area?Fluent speech outputNormal repetitionAcalculiaDysarthric speech pattern  <response>: Wernickes aphasia is caused by a lesion in the posterior superior temporal gyrus of the dominant hemisphere. It is characterized by impaired language comprehension, inability to repeat, and fluent speech output with paraphasic errors. The only associated neurologic sign may be a right superior quadrantanopia second to the proximity of the inferior optic radiation to Wernickes area in the left temporal lobe. 