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Brain Tour – Lesson two

Brain Tour – Lesson two. Limbic system. A group of brain areas involved in emotional reaction and motivated behaviors. Includes the amygdala, hippocampus, and hypothalamus. Hippocampus (seahorse). MEMORY Forms long term memories for facts and events.

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Brain Tour – Lesson two

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  1. Brain Tour – Lesson two

  2. Limbic system • A group of brain areas involved in emotional reaction and motivated behaviors. • Includes the amygdala, hippocampus, and hypothalamus.

  3. Hippocampus (seahorse) • MEMORY • Forms long term memories for facts and events. • Helps us make connections between the past and the present. • Involved in spatial navigation and spatial memories.

  4. Amygdala (almond) • EMOTION • FEAR AND AGGRESSION • Involved in the arousal and regulation of emotion and our initial emotional response to sensory information. • Memory of emotional events

  5. Hypothalamus • Involved in drives associated with survival (hunger, thirst, emotion, sex, and reproduction) • Brain’s blood-analysis laboratory (monitors to determine your body’s condition) • Regulates body temp by sweating or shivering

  6. The Cerebrum and the Four Lobes of the brain

  7. The Cerebrum • Largest structure of the brain • Uppermost part of the brain • In charge of most sensory, motor, and cognitive processes

  8. Two Halves of the Cerebrum • Divided into two halves called cerebral hemispheres which control actions on the opposite side of the body • Corpus Callosum- the large band of fibers that connects the two halves of the cerebrum. • Allows the two sides to communicate

  9. Cerebral Cortex • A collection of several thin layers of cells covering the cerebrum • Responsible for higher thought processes • Wrinkling allows more cells to exist in a small space Adult Brain 22 week old fetus brain

  10. The Four Lobes – Occipital Lobes • Locatedat the bottom-back of the cerebrum • Contains the Visual Cortex

  11. Parietal Lobes • Located at the top back of the cerebrum • Spatial abilities, receives sensory information from joints, organs, taste buds. • Contains the Somatosensory Cortex • Processes information form skin • Pressure, pain, touch, temperature

  12. Somatosensory Cortex

  13. Temporal Lobes • Located at the sides of head, just above the ears • Processes memory, perception, emotion • Contains: • Auditory Cortex -processes sound • Wernicke’s Area – language comprehension

  14. Frontal Lobes • Located in the front • Involved in judging, planning, short-term memory, thinking creatively, and personality

  15. Frontal Lobes (continued) • Containsthe Motor Cortex – band of nerves that issues orders to muscles to produce voluntary movement • Also Contains: • Broca’s Area – involved in speech production • Allows us to speak fluently and smoothly

  16. Motor Cortex

  17. FTOP

  18. https://www.youtube.com/watch?v=c6kRP41ygrI • https://www.youtube.com/watch?v=QPLZ_WUsK88 • https://www.youtube.com/watch?v=XP9IEoCw5W4

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