PSY280H5 Study Guide - Midterm Guide: Nasal Septum, Taste Receptor, Nostril
Document Summary
Migraine- terrible headaches that bring pain, nausea, and discomfort. Olfaction and gestation are considered chemical senses because their role is to detect chemicals in the environment. Gestation- chemical compositions of substances brought into our mouth. Olfaction , vision and audition- are distal senses, detecting objects that may be some distance from a person. Gestation, and somatosensory systems- stimulus must be in direct contact with receptors to detect it. Olfaction helps us detect danger and to find food and determine its quality. Animals communicate via the magic of scented odorant molecules. They mark their territory and protect themselves, their offspring and they homes by signaling danger to members of their own species. Odors- perceptual experiences that derive from the detection of odorants, which are airborne chemical molecules. Odorants- are volatile chemicals, molecules our olfactory system responds to when we detect them in the air in order to be smelled, it must.
