Exam 14: The Cutaneous Senses

 Jan is a right-handed violin player - she bows with her right hand and fingers the strings with her left. The cortical representation for the fingers on her left hand is _____.

 Ian Waterman was able to sense pain and temperature because his _____ pathway was intact, but could not feel touch and limb position because of damage to his _____ pathway.

 People use mainly _____ to judge texture.

 The outer layer of the skin is composed of _____.

 Name and discuss the differences between the four types of mechanoreceptors.

 Pokorny, a burn victim, reduced perceived pain by _____.

 What is the duplex theory of texture perception Describe research that supports this theory.

 Which type of acuity is measured by pressing a grooved stimulus onto the skin and asking the person to indicate the orientation

 Research by Derbyshire et al. (2003) Hofbauer et al. (2001) showed that hypnotic suggestion _____.

 As we move from mechanoreceptor fibers in the fingers toward the brain, we see that neurons become _____.

 Based on the finding that _____, it is believed that endorphins are linked to pain relief.

 The subjective intensity of pain is to _____ as the unpleasantness of pain is to _____.

 Experience-dependent plasticity has been found to occur for _____.

 The duplex theory of texture perception refers to the importance of _____.

 In most of our daily experience of touch, we are using _____.

 The mechanoreceptors primarily responsible for feeling the vibrations from an electric toothbrush are _____ because these receptors contain an "onion-like" series of layers.

 The sensory component of pain is to _____ as the emotional component of pain is to _____.

 Penfield mapped locations of body parts on area S1 by _____.

 Neuropathic pain is to _____ as inflammatory pain is to _____.

 The receptive fields of cortical S1 neurons are _____.