PSY280H1 Chapter : Ch15 Textbook Notes
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PSY280H1 Full Course Notes
Verified Note
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Document Summary
Smell (olfaction) and taste = molecule detectors because they endow gas and liquid molecules with distinctive smells and tastes. Identify things that the body needs for survival and thus, should be consumed: detect things that would be bad for the body and thus, should be rejected, function is aided by an affective/emotional component. things that are bad often taste or smell unpleasant. Neurogenesis, constant renewal of receptors unique to olfactory and taste: 5-7 weeks for olfactory receptors; 1-2 weeks for taste receptors. Macrosmatic, having a keen sense of smell that is important for survival (many animals) Microsmatic, having a less keen sense of smell that isn t crucial to survival (humans) Pheromones, chemical signals released b an individual that affect the physiology and behaviour of other individuals (stern & mcclintock, 1998) underarm secretions taken from donor women in the initial phase of their menstrual cycle shorted recipients cycles. secretions from the ovulatory phase lengthened cycles.
