psychtest2day1 - Psych. Sensation and Perception.-extra...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Psych. Sensation and Perception.—extra questions on final.s 1) Sensation and perception a) Sensation is the conversion of energy from the environment into a pattern of response by the nervous system b) Perception is the interpretation of that information 2) The detection of light a) Visible light is one small part of the electromagnetic spectrum b) The human eye is designed to detect energy in the wavelengths from 400 to 700nm c) The structure of the eye—lens, pupil, fovea, cornea, iris…. d) The lens changes shape so that objects far and near can come into focus 3) Common disorders of vision a) Presbyopia-reduced ability to focus on near objects—occurs around the age 50 b) Myopia-nearsightedness c) Hyperopia-farsightedness 4) The visual receptors a) The retina contains two types of specialized neurons i) Cones—color vision ii) Rods—low levels of illumination, don’t process color, only one type iii) Animals who are more active in the day have more cones, in the night animals
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

psychtest2day1 - Psych. Sensation and Perception.-extra...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online