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First Hour –How is the Study of the Brain Relevant to Psychology?

Learn about the brain structures and their impact on behavior in the first crucial hour of neurological study, relevant to psychology. Delve into the central and peripheral nervous systems, forebrain, midbrain, hindbrain, and the intricate relationship between the brain and behaviors. Discover how the nervous system's organization influences bodily functions and responses, from sensory input to motor output, influencing voluntary and involuntary actions.

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First Hour –How is the Study of the Brain Relevant to Psychology?

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  1. Brain and Behaviour First Hour –How is the Study of the Brain Relevant to Psychology? • Central Nervous System (CNS) • Forebrain: “New and Old Cortex” • Midbrain • Hindbrain • Peripheral Nervous System • Somatic • Autonomic

  2. Afferent Nerves (sensory) • – Nerves that carry messages • from the sense organs • to the brain and spinal cord • Efferent Nerves (motor) • Nerves that carry messages • from the brain to the muscles • and organs Brain Two Divisions of the Nervous System Central Nervous System Spinal cord The CNS connects to the body via the Peripheral Nervous System:

  3. Nervous System Parasympathetic (calming) Organization of the nervous system: Forebrain Brain Midbrain Hindbrain Central Spinal Cord Sympathetic (arousing) Autonomic (involuntary) Peripheral Somatic (voluntary muscles)

  4. The Forebrain The Midbrain The Hindbrain • Cerebral Cortex • -Four lobes Pons Cerebellum Medulla Reticular Activating System • Old Cortex -Corpus Callosum -Basal Ganglia -Thalamus -Limbic Structures (Hippocampus,Amygdala Hypothalamus)

  5. The four lobes of the cerebral cortex Planning Organizing Movement Language Memory Problem Solving etc.. Vision Somatosensory Language Hearing Sensory Projection Area Motor Projection Area Parietal Lobe Parietal Lobe Parietal Lobe Wernicke’s Area Frontal Lobe Frontal Lobe Frontal Lobe X X Occipital Lobe Broca’s Area Temporal Lobe

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

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