PSYC 2390 Chapter Notes - Chapter 15: Olfactory Receptor Neuron, Olfactory Mucosa, Nail Polish

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2390
• Professor: Naseem Al- Aidroos

Document Summary

Senses oten seen as gatekeepers that o o. Idenify things that they body needs for survival and that should be consumed. Detect things that would be bad for the body that should be rejected. Cycle of birth, development and death over 5-7 weeks for olfactory receptors and 1-2 weeks for taste receptors o. Constant renewal of receptors (called neurogenesis) is unique to these senses. Animals are macrosmaic having a keen sense of smell that is important to their survival. Humans are microsmaic having a less keen sense of smell that is not crucial to their survival. Efects may be occurring without our awareness o. Pheromones chemical signals released by an individual that afect the physiology and behaviour of other individuals. Anosmia the loss of the ability to smell as a result of injury or infecion. Olfacion is more important in our lives than we realize. Our sense of smell enables us to detect extremely low concentraions of some odorants.