Biology 449 - Animal Physiology September 17, 2008

Lecture 9 - Sensory Physiology I

Sensory modalities and stimulus types

External environement

Internal environment

General mechanisms

Transduction

Amplification

Encoding

Adaptation

Dynamic range

Lateral inhibition

 

Terms to Know

Interoceptive receptor
Exteroceptive receptor

Chemoreceptor
Mechanoreceptor
Thermoreceptor
Photoreceptor

Proprioceptor
Baroreceptor

 

Transduction
Receptor membrane
   or region

Tonic receptor
Phasic receptor
Sensory adaptation

Receptive field
Lateral inhibition

 

Readings

Lecture 9:   Chapter 6, pages 196-202, 235-245
Lecture 10:   Chapter 6, pages 202-235