According to the trichromatic theory (Young-Helmholtz theory) of color vision, we perceive color by what means?
a. Higher wavelengths of light produce action potentials with greater amplitudes.
b. Higher wavelengths of light produce action potentials with higher velocities.
c. Certain brain cells increase response for one color and decrease it for another.
d. Three types of cones produce different ratios of response.
d
You might also like to view...
Selena has suffered from bulimia nervosa for several years. She finally seeks professional help and is surprised to find out that medication can help her. What type of medication, when combined with cognitive behavioral therapy, would be most helpful for Selena?
a. ?selective serotonin reuptake inhibitors b. ?phenothiazines c. ?amphetamines d. ?catecholamine reuptake inhibitors
Self-documenting or recording one's eating behavior can be conveniently accomplished by
a. using an electronic diary. b. using mnemonic devices. c. using scales and weighing devices. d. dictating all consumption to a constant companion.
Chronic diseases account for about ____ % of deaths in the United States
a. 14 c. 54 b. 34 d. 74
In cross-cultural studies by positive psychologists, all of the following have been identified as major virtues EXCEPT
a. courage & wisdom. c. humanity & justice. b. competitiveness & individuality. d. transcendence & temperance.