PSY290H1 Lecture 5: Lecture 5 - Sensory Processing
Document Summary
Intro to sensory systems: five classic senses o o o o o. Touch: more like 5 groups of sensations. Proprioception - ability to sense the position of body parts in relation o o o o o: major components of sensation. Central pathways - can"t perceive stimuli without the brain o o o. Sensory receptor cells: distinct cells for each sensory systems. Transduction: the way one neuron can communicate with another neuron o. A conversion of signals: receptors on cells that respond to certain stimuli. Touch: can experience touch in a number of different ways o. Ex = tingly, vibrations, stretching: 3 layers of the skin, mechanoreceptors = receive tactile information www. notesolution. com o. The largest one found in the bottom layer of the skin (hypodermis) Made up of a bundle of connective tissue with axon in middle. Many found in tongue, lips, and finger tips: each receptor has distinct receptive field o o.
