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THE HUMAN BRAIN  by Nadia Abdulallah
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THE HUMAN BRAIN by Nadia Abdulallah

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  • 1. THE HUMAN BRAIN
  • 2. Your brain can be considered as the most complex organ in your body and the centerpiece of your Nervous System. Although your brain works as a unified whole, neuroscientists can identify areas within it that perform specific functions.
  • 3. Your brain is organized into 3 interconnected layers: the central core, limbic system, and cerebral cortex, all of which contain structures that regulate everyday life.
  • 4. CENTRAL CORE
    The Central Core is found in all vertebrates. Its 5 main regions help regulate basic life processes, including breathing, pulse, arousal, movement, balance, sleep, and the early stage of processing sensory information.
  • 5. 5 MAIN REGIONS OF CENTRAL CORE
    1. THALAMUS
    2. PONS
    3. CEREBELLUM
    4. RETICULAR FORMATION
    5. MEDULLA
  • 6. THALAMUS
    It begins the process of interpreting sensory information. It also determines fundamental properties, such as whether something is good or bad, and then forwards the information to the appropriate area of the cerebral cortex, where information processing continues.
  • 7. PONS, MEDULLA, RETICULAR FORMATION
    PONS- triggers dreaming and waking from sleep.
    MEDULLA- is center for breathing, waking, sleeping and beating of the heart.
    RETICULAR FORMATION- signals the cerebral cortex to attend to new stimulation and to remain alert even during sleep.
  • 8. CEREBELLUM
    The cerebellum coordinates body movements, controls posture, and maintains equilibrium.
  • 9. LIMBIC SYSTEM
    The Limbic System exists only in mammals. Its regions mediate motivated behaviors, emotional states, and memory processes. The Limbic System also regulates body temperature, blood pressure, blood sugar level.
  • 10. 3 MAIN REGIONS OF LIMBIC SYSTEM
    1. HIPPOCAMPUS
    2. AMYGDALA
    3. HYPOTHALAMUS
  • 11. LIMBIC SYSTEM
    HIPPOCAMPUS – plays an important role in emotion, learning and memory.
    AMYGDALA – plays role in aggression, eating, drinking and sexual behaviors.
    HYPOTHALAMUS – monitors blood levels of glucose, salt, blood pressure and hormones.
  • 12. CEREBRAL CORTEX
    The cerebral cortex directs the brain’s higher cognitive and emotional functions. It is divided into 2 almost symmetrical halves called the cerebral hemispheres. Each hemisphere contains 4 lobes. Areas within these lobes oversee all forms of conscious experience, including perception, emotion, thought and planning, as well as many unconscious cognitive and emotional processes.
  • 13. 4 TYPES OF LOBES
    FRONTAL LOBE – assists in motor control and cognitive activities, such as planning, making decisions, setting goals, and relating the present to the future through purposeful behavior.
    OCCIPITAL LOBE – processes visual information and passes its conclusions to the parietal and temporal lobes.
    PARIETAL LOBE – assists in sensory processes, spatial interpretation, attention, and language comprehension.
    TEMPORAL LOBE – assists in auditory perception, language comprehension, and visual recognition.
  • 14. I found this QUOTE ABOUT THE BRAIN……
    The large brain, like large government, may not be able to do simple things in a simple way.
    by Donald Hebb….