Central Nervous System (CNS) –Forebrain: “New and Old Cortex” –Midbrain –Hindbrain Peripheral Nervous System –Somatic (Skeletal) –Autonomic How is the.

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Central Nervous System (CNS) –Forebrain: “New and Old Cortex” –Midbrain –Hindbrain Peripheral Nervous System –Somatic (Skeletal) –Autonomic How is the nervous system relevant to behavior?

Brain Spinal cord (nerves) afferent and efferent (tracts) (See Gleitman, p. 51)

Medial-Lateral: Anterior-Posterior: Ventral-Dorsal: “Geography” of the spinal cord and brain: middle to side head to tail front to back forehead to back chin to top middle to side spinal cordbrain

How is the central nervous system organized? Nervous System Central Peripheral Brain Spinal Cord Autonomic Skeletal Forebrain Midbrain Hindbrain Sympathetic (arousing) Parasympathetic (calming) Reciprocal Inhibition

Chemical and electrical stimulation Lesioning and ablating Electroencephalogram (EEG) ( See Gleitman p. 44) CAT, PET, MRI, and FMRI scans (See Gleitman p. 45) How do we observe and study the central nervous system in action?

Thalamus Hypothalamus Amygdala Hippocampus Reticular Activating System Midbrain: Cerebellum Limbic structures: Hindbrain: Cerebral cortex (Corpus callosum) Forebrain: Medulla See Gleitman pp. 9, 49)

Longitudinal fissure Central fissure

(Primary somatosensory area ) Parietal lobe front Frontal lobe (Primary motor area) (including Broca’s area) (including auditory area) Temporal lobe (including Wernicke’s area) (See Gleitman, p. 52) Occipital lobe (Visual area)

What are some of the specialized functions of the Cerebral Cortex? Frontal lobe Parietal lobe Temporal lobe Occipital lobe Association cortex In front of central fissure Memory, Movement Behind frontal lobe Somatosensory Below parietal lobe Speech and hearing Back of headVision Between parietal, temporal, occipital lobes Complex behaviors, thinking LocationFunction

Psychology Department researchers in neuroscience at the St. George Campus: Professor Eve De Rosa –Neural basis of learning and memory Professor Martin Ralph –Circadian rhythms and the brain Professor John Yeomans –Brain mapping, motivation and emotion Professor Franco Vaccarino –Brain mechanisms and neuropsychiatric disorders Professor Homer Simpson –Neural basis of beer drinking

Important material in chapter 2, not discussed in lectures: Role of the two cerebral hemispheres Properties of different neurotransmitters Communication via the endocrine system Disorders of action, perception, and language Tasty brain recipes

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