Zoology   senses
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Zoology senses

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Zoology   senses Zoology senses Presentation Transcript

  • Senses
  • Sensation vs. Perception Sensation – is conscious awareness of a stimulus Perception – is understanding what the sensation means Sensory Adaptation – a decrease in the response to a stimulus
  • Sensory Receptors Six Major Types: 1. Mechanoreceptors – detect forms of mechanical energy (changes in pressure, position, or acceleration)  touch, auditory, balance, baroreceptors
  • Sensory Receptors Six Major Types: 2. Thermoreceptors – detect heat energy (changes in temperature)
  • Sensory Receptors Six Major Types: 3. Nociceptors – pain receptors; detect tissue damage (for example: distortions, burns)
  • Sensory Receptors Six Major Types: 4. Chemoreceptors – detect chemical energy of specific substances  taste, smell
  • Sensory Receptors Six Major Types: 5. Osmoreceptors – detect changes in water volume (solute concentration) 6. Photoreceptors – detect visible light