Neurophysiology

The Cerebral Cortex

Premotor; orientation; eye and head movements

Prefrontal; inhibitory control of behavior; higher intelligence

Sensory

Sensory analysis

Sensory

Sensory analysis

Auditory Motor Cortex

Visual III Visual II

Visual I

Language; reading; speech

Auditory I

Auditory II

Motor control of speech

Visual III Visual II

Visual I

Language; reading; speech

Auditory I

Auditory II

Prefrontal; inhibitory control of behavior; higher in,e"i8en\

Cingulate gyrus (emotional behavior) and cingulum

Olfactory

Visual III

Visual III

Prefrontal; inhibitory control of behavior; higher in,e"i8en\

Spinal Cord Commissure

Olfactory

Corpus callosum Hippocampal commissure Anterior commissure

Figure 2.19 Cerebral Cortex: Localization of Function and Association Pathways

The cerebral cortex is organized into functional regions. In addition to specific areas devoted to sensory and motor functions, there are areas that integrate information from multiple sources. The cerebral cortex participates in advanced intellectual functions, including aspects of memory storage and recall, language, higher cognitive functions, conscious perception, sensory integration, and planning/execution of complex motor activity. General cortical areas associated with these functions are illustrated.

Descending Motor Pathways

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