PHOTOAGING
noun. the collective impact during an individual's life of exposure of their skin to the sun, that can be developed…
PHOTOPIGMENT
noun. a substance in a retinal rod or retinal cone which interacts with light to initiate a chemical cascade resulting…
PHYSIOLOGY
noun. the science of the operations of living organisms, inclusive of the physical and chemical procedures engaged and the activities…
PICTURE SUPERIORITY EFFECT
the propensity for an image or drawing to be recalled better than the terminology of the pictured item.
PITCH DISCRIMINATION
the capacity to recognize modifications in noise based upon pitch. It is more properly referred to as frequency discrimination because…
PLACEMENT TEST
an examination utilized by educational facilities to place pupils in courses that adequately match their skills, achievements, and interests.
PLASTIC TONUS
a state of voluntary muscles so that an appendage can be passively moved into positions which are held constant, at…
PLEASURE CENTER
any of multiple different regions of the brain which, upon intracranial self-stimulation, have been involved in generating satisfaction. The presence…