PSY290H5 Lecture Notes - Lecture 6: Nociceptor, Substance P, Psychophysics
Document Summary
We are only aware of what we can actually detect in our environment. Most mammals only have two different cone types. Humans are almost special in mammals for having 3 distinct cone types. Honey bees have three cone types but more sensitivity to colours than we do. Pigeons have 4 cone types have the potential to see billions of colours. Males tend to lack cones compared to women. Women have potential for more than 3 cone types. Super colour perceiver females - has to do with genes and number of cones (more colour distinctions with ^cones) Bats use sonar to track down their main food source: moths. Moths rely mostly on vision, don"t have any sense of hearing. There are special breeds of moths that have developed an ear specifically for detecting sonar ticks from bats. Process of taking a physical signal (touch, taste, etc. ) into a signal. Responsible/sensitive to a unique aspect of sensory role (goal)
