Chapter 33, Problem 4CT

Summary Introduction

To determine: Whether the compounds produced by insects that are similar to natural painkillers are a sufficient evidence to conclude that they perceive pain as mammals do.

Introduction: Pain sensation can be somatic or visceral based on its origin. It is perceived by the nociceptors that are peripheral sensory neurons. They respond to the stimuli such as tissue damage, high temperature, and others. They are present in both invertebrates and vertebrates though the pathways are different.