Psychophysiology - Measuring bodily activity - electrodermal activity

3 important questions on Psychophysiology - Measuring bodily activity - electrodermal activity

What does electrodermal activity measure?

Sweat glands of ski (skin conductance)

What are the two types of sweat glands?

  1. Apocrine: scents & pheromones (open in hier follicles, found in armpits and genital areas)
  2. Eccrine: thermoregulation (most dense in hand palms and soles of feet)

What are the strengths and limitations of skin conductance?

Strengths:
  • direct measurement of automatic nervous system
  • very useful

Limitations:
  • bad temporal resolution (takes 30sec for effect to show and go back to basic)
  • very sensitive to noise

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