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Parts/lobes of the brain

Parts/lobes of the brain . Bullet 1 MT: Nervous system. 1. 4 Lobes of the Brain. Frontal Parietal Temporal Occipital Insula (hidden & controversial). Frontal Lobe. Fxns: reasoning, planning, problem solving, logics, thinking Biggest area of brain Stops developing ~25 years old.

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Parts/lobes of the brain

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  1. Parts/lobes of the brain • Bullet 1 • MT: Nervous system 1

  2. 4 Lobes of the Brain • Frontal • Parietal • Temporal • Occipital • Insula (hidden & controversial)

  3. Frontal Lobe • Fxns: reasoning, planning, problem solving, logics, thinking • Biggest area of brain • Stops developing ~25 years old

  4. Parietal Lobe • Fxns: recognizing stimuli, orientation, and recognition

  5. Temporal Lobe • Fxns: memory, speech, and auditory stimuli

  6. Occipital Lobe • Fxns: visual processing

  7. Important Lines of Brain • Central Sulcus: separates frontal and parietal lobes

  8. Important Lines of Brain • Lateral fissure: separates temporal and frontal lobes

  9. Important Lines of Brain • Longitudinal fissure: separates brain medially

  10. INSIDE OF Brain

  11. Parts of the Brain • Brainstem (old reptilian brain) = midbrain, pons, and medulla oblongata • Limbic System (old mammalian brain) = thalamus, hypothalamus, amygdala, hippocampus • Corpus Callosum

  12. Brainstem: Midbrain, Pons, Medulla Oblongata

  13. Brainstem: • Midbrain: • -superior end of brainstem • -Fxn: eye mvmts, reflexes in pupil • Pons: • -inbetween midbrain and medulla • -Fxn: regulates respiration (breathing) • Medulla Oblongata: • -inferior end of brainstem; leads into spinal cord • -Fxn: heart rate, vomiting, coughing, sneezing, hiccupping, swallowing

  14. Parts of the Brain • Brainstem (old reptilian brain) = midbrain, pons, and medulla oblongata • Limbic System (old mammalian brain) = thalamus, hypothalamus, amygdala, hippocampus • Corpus Callosum

  15. Limbic System • Thalamus: • -Fxn: relay center; most sensory neurons go here and then they are sent to correct place • Hypothalamus: • -Fxn: controls sleep/wake cycles, homeostasis, thirst, appetite • Hippocampus: • -Fxn: memory and learning • Amygdala: • -Fxn: memory of emotional situations especially fear

  16. Limbic System

  17. Parts of the Brain • Brainstem (old reptilian brain) = midbrain, pons, and medulla oblongata • Limbic System (old mammalian brain) = thalamus, hypothalamus, amygdala, hippocampus • Corpus Callosum

  18. Corpus Callosum • Corpus Callosum: • -Fxn: neurons cross to other side of brain • Ex: left eye sends signal through left hemisphere, through the corpus callosum, to the right hemisphere, to the occipital lobe

  19. Corpus Callosum

  20. Cranial Nerves 1-6

  21. Cranial Nerves 7-12

  22. Facial (VII)

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