<prompt> Motor aphasia refers to defect in:Peripheral speech apparatusVerbal expressionAuditory comprehensionVerbal comprehension  <response>: Answer is B Verbal expression: Motor aphasia also known as expressive aphasia is a disorder of thought and word finding resulting in inadequate verbal expression. Defect in hearing: Deafness Defect in understanding: Receptive aphasia Sensory aphasia Defect in thought and word finding: Motor Expressive aphasia Defect in voice production: Dysphonia Defect in aiculation: Dysahric 