2. Which statements concerning the receptive field are correct?

Question

2. Which statements concerning the receptive field are correct?
1. Average receptive field covers 1cm3 area on the skin and refers to all types of receptors present inside such area
2. The smaller and more numerous receptive fields present on a given area. The bigger receptive area on the respective sensory cortex
3. Receptive fields refer to somatic receptors engaged in receiving sensation from one part of the body (limb, torso, face, etc)
4. The more sensory neurons innervate one receptive field, the better discrimination of sensation is perceived?

Answer 1

A receptive field indeed refers to the specific region of the body whose stimulation activates a given somatosensory neuron. However, the term “receptive field” is also used in other sensory systems special sensory system such as vision and hearing, not just somatic sensation.