Connects corresponding regions of left and right cerebral hemispheres - Corpus callosum Connects cerebral cortex to other brain regions - Projection track Connects different parts of the same hemisphere - Association track Conscious planning, control of voluntary movement- Frontal lobe Control center for homeostasis and circadian rhythm- Hypothalamus Deep gray matter involved in arousal and memory- Basal forebrain nuclei Process sensory information and relay it to cerebral cortex - Thalamus Secretes melatonin to coordinate circadian functions - Epithalamus Senses of smell and hearing - Temporal lobe Somatosensory cortex, integration of sensory information - Parietal lobe Specialized for visual processing - Occipital lobe Unconscious control of repetitive movements- basal ganglia Visceral senses, taste, integration of sensory information - Insula Solution Connects corresponding regions of left and right cerebral hemispheres - Corpus callosum Connects cerebral cortex to other brain regions - Projection track Connects different parts of the same hemisphere - Association track Conscious planning, control of voluntary movement- Frontal lobe Control center for homeostasis and circadian rhythm- Hypothalamus Deep gray matter involved in arousal and memory- Basal forebrain nuclei Process sensory information and relay it to cerebral cortex - Thalamus Secretes melatonin to coordinate circadian functions - Epithalamus Senses of smell and hearing - Temporal lobe Somatosensory cortex, integration of sensory information - Parietal lobe Specialized for visual processing - Occipital lobe Unconscious control of repetitive movements- basal ganglia Visceral senses, taste, integration of sensory information - Insula.