Sensory

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Sensory Motor Systems
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Sensory Motor Systems

• Some vocabulary
• Sensation
• Action potentials that reach the brain via
  sensory neurons
• Perception
• The brains awareness of sensations

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Sensory Motor Systems

• Sensory transduction
• Change in membrane potential of a receptor cell
  (receptor potential)
• Integration
• Processing of information via the summation of
  graded potentials

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Sensory Motor Systems
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Sensory Motor Systems
Light touch
Light touch
Touch
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Sensory Motor Systems
Light touch
Strong pressure

• Light touch

Touch
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Sensory Motor Systems
Cold
Light touch
Heat
Strong pressure

• Light touch

Touch
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Sensory Motor Systems
Cold
Pain
Light touch
Heat
Strong pressure

• Light touch

Touch
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Sensory Motor Systems

• Mechanoreceptors
• Pressure, touch, stretch, motion, sound
• Muscle spindle
• Sretch
• Hair cells
• Motion

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Sensory Motor Systems

• Pain receptors (nociceptors)
• Thermoreceptors
• Chemoreceptors
• Gustatory receptors (taste)
• Olfactory receptors (smell)
• Electormagnetic receptors
• Photoreceptors

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Sensory Motor Systems
Sensory transduction
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Sensory Motor Systems
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Sensory Motor Systems
Stimulus
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Sensory Motor Systems

• taste

Stimulus
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Sensory Motor Systems

• taste

sound
Stimulus
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Sensory Motor Systems

• taste

sound
light
Stimulus
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Sensory Motor Systems

• taste

sound
light
pressure
Stimulus
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Sensory Motor Systems
Transduction

• taste

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Sensory Motor Systems
Transduction

• taste

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Sensory Motor Systems
Ca
Transduction

• taste

Na
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Sensory Motor Systems
Ca
Neurotransmitter release

• taste

Na
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Sensory Motor Systems
Ca
Neurotransmitter release

• taste

Na
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Sensory Motor Systems
Ca
Action potential

• taste

Na
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Sensory Motor Systems
Anatomy of the Eye
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Sensory Motor Systems

• Lens

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Sensory Motor Systems

• Iris

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Sensory Motor Systems

• Pupil

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Sensory Motor Systems

• Cornea

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Sensory Motor Systems

• Suspension ligaments

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Sensory Motor Systems
Sclera
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Sensory Motor Systems
Choroid
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Sensory Motor Systems
Retina
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Sensory Motor Systems
Optic nerve
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Sensory Motor Systems
Central artery vein
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Sensory Motor Systems
Optic disc (blind spot)
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Sensory Motor Systems
Fovea
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Sensory Motor Systems
Aqueous humor
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Sensory Motor Systems
Vitreous humor
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Sensory Motor Systems
Structure and Function of the Retina
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Sensory Motor Systems
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Sensory Motor Systems
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Sensory Motor Systems
Retinal
Opsin
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Sensory Motor Systems
Rhodopsin
Retinal
Opsin
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Sensory Motor Systems
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Sensory Motor Systems
Rods
Cones
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Sensory Motor Systems
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Sensory Motor Systems
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Sensory Motor Systems