Left hemisphere primarily analytical, right hemisphere more creative. Cerebral cortex contributed to motor and sensory function, intellect and language. Responsible for visual imaging, auditory processing, language comprehension and expression. Complex cognition (orientation, memory, insight, judgment, arithmetic and abstraction), language (verbal and written expression), voluntary motor function. Integrates cognitive function with emotional responses, personality, impulse control and social behaviour. Broca"s area (speech centre) - located anterior to promotors cortex. Recognizes size, shape, texture of objects and interprets sensory. Postcentral gyrus receives input on sensory function (temperature, touch, pressure, pain) General interpretive area (gnostic area) - located at posterior end of lateral sulcus in parietal and temporal lobes. Registers auditory and olfactory input and responsible for hearing, speech and smell. Visual associative areas that interpret and integrate stimuli. Self-preservation, including recall of pleasurable, unpleasant or potentially dangerous events. Recalls mood and emotional responses in relation to events. Learning and storage and retrieval of lt memories.