PHTY103 Lecture 8: PHTY209 week 8
Document Summary
Lecture b: special senses-vision and hearing vision: identify major structures of the eye and describe their functions accessory structures. Lacrimal apparatus (for production, secretion and removal of tears internal structures. Three types of cones blue (16%), green (10%) and red (74%) Colour is perceived by integrating the input from all three cone types. When all three are stimulated, we perceive white. Colour blindness missing cones or cones not functional: describe the nerve supply to the eye. Constriction of the pupil in response to light cn iii (autonomic function) constrictor muscles of the pupil pathway. Secondary areas: object movement, object colour, other features. Describe the effect of lesions affecting various parts of the visual system refer to book. Describe the role of vision in sensorimotor function. The sensorimotor system encompasses all of the sensory, motor, and central integration and processing components involved with maintaining joint homeostasis during bodily movements (functional joint stability).
