psych 2

claim to recieve and give messages about the world without relying on the usual sensory channels

direct communication from 1 mind to another

perception of an event that hast happened

you tend to _____________ ESP

study of purported psychic phenomena

dominant sense in human beings

color names/wavelength of light

intensity of light emitted or reflected

complexity of light (how wide or narrow the range of wavelengths)

white light

protective layer

gives the eye its color

contains receptor cells

contains rods & cones connected by synapses to neurons

120-125 million
sensitive to low light

1-8 million
sensitive to bright light and color

contains the highest concentration of cones

3 mechanisms in the visual system- each sensitive to a different wavelength (on retina-level of processing)

theory of color perception that treats pairs of colors as opposing

percieve images as groups not isolated elements

objects close together are percieved as belonging to the same group

items similar in appearance are percieved as belonging to the same group

items that form a continuous form are percieved as belonging to the same gorup

items that make up a recognizable image are perceived as belonging to the same group

totally colorblind

can discriminate all colors

partially colorblind

1 in _____ are colorblind
it is passed through _____ genes