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Brain Areas: Cerebrum – Largest area involved with higher order functions

Brain Areas: Cerebrum – Largest area involved with higher order functions Cerebellum – Coordination of muscle activity Medulla oblongata – Vital functions & Reticular formation Diencephalon – Contains thalamus and hypothalamus – Maintains homeostasis

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Brain Areas: Cerebrum – Largest area involved with higher order functions

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  1. Brain Areas: Cerebrum – Largest area involved with higher order functions Cerebellum – Coordination of muscle activity Medulla oblongata – Vital functions & Reticular formation Diencephalon – Contains thalamus and hypothalamus – Maintains homeostasis Ventricles – Four interconnected chambers that contain cerebrospinal fluid (CSF). Meninges – three layer wrapping of the brain – Dura mater, Arachnoids, Pia mater - (tough mother, spider web, gentle mother) Cortex – outside surface – Gray Matter - associative neurons for processing Inner regions – White matter – Motor and Sensory myelinated nerves for connections to body Gyrus - ridges Sulcus – shallow valleys Fissures – Deep valleys

  2. Cerebral Cortex Frontal Lobe: Most anterior, right under the forehead.Functions:1. How we know what we are doing within our environment (Consciousness). 2. How we initiate activity in response to our environment. 3. Judgments we make about what occurs in our daily activities. 4. Controls our emotional response. 5. Controls our expressive language. 6. Assigns meaning to the words we choose. 7. Involves word associations. 8. Memory for habits and motor activities.

  3. Parietal Lobe: near the back and top of the head.Functions:Location for visual attention. Location for touch perception. Goal directed voluntary movements. Manipulation of objects. Integration of different senses that allows for understanding a single concept.

  4. Occipital Lobes: Most posterior, at the back of the head.Functions:Vision Observed Problems:Defects in vision (Visual Field Cuts). Difficulty with locating objects in environment. Difficulty with identifying colors (Color Agnosia). Production of hallucinations Visual illusions - inaccurately seeing objects. Word blindness - inability to recognize words. Difficulty in recognizing drawn objects. Inability to recognize the movement of an object (Movement Agnosia). Difficulties with reading and writing.

  5. Temporal Lobes: Side of head above ears.Functions:Hearing ability Memory acquisitionSome visual perceptions Categorization of objects.

  6. Brain Stem: Deep in Brain, leads to spinal cord.Functions: Breathing Heart Rate Swallowing Reflexes to seeing and hearing (Startle Response). Controls sweating, blood pressure, digestion, temperature (Autonomic Nervous System). Affects level of alertness. Ability to sleep. Sense of balance (Vestibular Function).

  7. Cerebellum: Located at the base of the skull.Functions:Coordination of voluntary movement Balance and equilibrium Some memory for reflex motor acts. Observed Problems:Loss of ability to coordinate fine movements. Loss of ability to walk. Inability to reach out and grab objects. Tremors. Dizziness (Vertigo). Slurred Speech (Scanning Speech). Inability to make rapid movements.

  8. Left Brain verbalmathematicalresponds to word meaning intellectual sequential processes info linearly responds to logicobjective plans ahead prepositionalrecalls people's names analytic speaks w/ few gestures punctual prefers formal study setting introspective likes structure, predictability wants to read about it first Right Brain visual, tactile, kinesthetic creativeresponds to word pitch, feelingintuitiveholisticprocesses info in chunksresponds to emotionsubjectivespontaneousimaginativerecalls people's facesrelationalgestures when speakingless punctualprefers music/sound while studyingextrovertedlikes open-endedness, surpriseswants direct experience

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