Functions of Sensation

• Status is not detected
  • Acceleration (change of status) is detected
• Sense organs have thresholds
  • Sub-threshold changes are important in creating perceptual illusions
• Accurate perception of status requires integrating information from several sense organs: eyes, vestibules, hinder, joints, muscles, skin.
  • Deficient information (deprivation or degradation) leads to unperceived error.
  • Contradictory information leads to confusion, suppression, or correction.

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