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PBI 288 - FINAL (Sensation (Cutaneous receptors (Meissner corpuscules…

- - - - any sensory senses
        
        Pathways
        
        Mechanoreceptors
        
        spinothalamic column
        
        pain, temperature
        
        Temperature
        
        3 more items...
        
        Dorsal column
        
        CNS
        
        touch
    - - perception of body's position and posture
    - - Perception of body's movement
    - - in organs feeling
  - - - Detect form and roughness
      - deformation
      - slow adapting
      - Hairy and glabrous skin
      - small receptive field
    - - detect forces on skin
      - Large receptive field
      - Hairy and glaborous skin
      - slow adapting
      - deformation
    - - detect edges and contours
      - Glabrous skin
      - deformation
      - Fast adapting
      - small receptive field
    - - detect vibration
      - Large receptive field
      - Deformation
      - fast adapting
      - Hairy and glabrous skin
    - - detect hair move
      - pleasure sensation
      - Glabrous skin receptor
  - - - Bitter
      - Sour
      - Sweet
        
        metabotropic
      - salt
        
        ionotropic
      - Umami
      - 1- Cilia send AP
        
        2 - Synapse with bipolar cell
        
        3- Signals goes to
        
        Brainstem
        
        VP Thalamus
        
        Taste Cortex
  - - - 2- glomerulus of
        mistral cells
        
        3- olfactory cortex
        
        3 - amygdala
        
        4 - hypothalamus
  - - - semi-circular canals
        
        head orientation
        
        endolymphe move
        
        bending hair cells
        
        Receptor potential
        
        Auditory cranial nerves
        
        2 more items...
      - Vestibular sacs
        
        Detect linear gravity
        
        afferent/efferent axons
        
        activates hair cells
        
        bipolar cells
      - Vestibular nerves
      - Disorders
        
        Vertigo
        
        Meniere's Disease
        
        Vestibular neuritis
        
        Vestibular Labyrinthis
        
        Migraine
- - - - 1
        
        Motor Cortex
        
        Excites
        
        Striatum
      - 2
        
        Striatum
        
        Inhibits
        
        Global Palladus Internal
        
        deshinibited
      - 3
        
        GPI
        
        Inhibits
        
        THALAMUS
      - 4
        
        THALAMUS
        
        Excites
        
        M Cortex
        
        MOVE
  - - - 6
        
        THALAMUS
        
        inhibits
        
        M Cortex
        
        STOP
      - 5
        
        GPI
        
        inhibits
        
        THALAMUS
      - Stop unwanted movement
      - 4
        
        STN
        
        Excites
        
        GPI
      - 3
        
        GPE
        
        inhibits
        
        Subthalamic Nucleus
        
        deshinibited
        
        Excites
      - 2
        
        Striatum
        
        Inhibits
        
        GP external
      - 1
        
        Motor Cortex
        
        Excites
        
        Striatum
        
        Decrease
  - - - external to internal
    - - Brain to lower motor neurons
    - - internal to external (muscle)
  - - - Motor neurons degeneration
    - - Loss of dopamine neurons
- - - - high-pitch
    - - low-pitch
  - - - 2- Auditory Nerves
        
        3- Brainstem nuclei
        
        4- Inferior colliculus
        
        5- Medial Geniculate
        
        6 - Auditory Cortex
        
        A1
        
        2 more items...
  - - - conduction
        
        ear don't conduct
      - sensorineural
        
        vibration
        
        not conducted
        
        in neural
      - central
        
        brain damages
- - - - Left
        
        speech comprehension and production
      - Right
        
        control of prosody
    - - Broca's Area
        
        language difficulties
        
        disorder
        
        Broca's aphasia
        
        understand
        Hard producing speech
      - Wernicke's Area
        
        comprehension troubles
        
        disorder
        
        Wernicke's Aphasia
        
        Meaningless speech produce
      - Geschwind's Area
        
        disorder
        
        transcortical Sensory Aphasia
        
        don't understand
        can repeat speech clearly
      - Arcuate fasciculus
        
        links 3 other parts
- - - - 13-30
        
        Beta
    - - 8-12
        
        Alpha
    - - Step 1
        
        4-7
        
        Theta
      - Step 2
        
        4-7
        
        Theta + sleep spindle
      - Step3
        
        1-3
        
        Delta
      - Step 4
        
        1-3
        
        Delta
      - REM
        
        Theta + beta
        
        Declines with age