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N., Sam M.S.

Sam holds a masters in Child Psychology and is an avid supporter of Psychology academics.
18571 Articles

PHOTISM

noun. 1. a false interpretation or hallucination of light. 2. a type of synesthesia wherein light or color sensations take…

PHOTO- (PHOT-)

combining form: 1. light. 2. photography.

PHOTOAGING

noun. the collective impact during an individual's life of exposure of their skin to the sun, that can be developed…

PHOTOBIOLOGY

the analysis of the impacts of light on organisms, inclusive of the more particular analysis of the impacts of color…

PHOTOCOAGULATION

noun. the utilization of radiant energy, generally in the form of a xenon-arc beam or laser, to concentrate protein material…

PHOTOCOUNSELING

noun. the utilization of videotapes or pictures describing features of a patient's life to attain knowledge of their actions and…

PHOTOGENIC EPILEPSY

a type of reflex epilepsy wherein seizures are preempted by a specific kind of visual aberration.

PHOTOMA

a visual hallucination wherein light flashes or sparks are seen in the absence of exterior stimulants.

PHOTOMANIA U

1. an irregular craving for light, specifically sunlight. 2. worshiping of the sun.

PHOTOMETER

a tool which gauges the severity of light, taking into consideration the vulnerability of the human visual system to light…

PHOTOMETRY

u. the gauging of the severity of light.

PHOTON

noun. 1. someone quantum of electromagnetic radiation.

PHOTOPERIODISM

noun. the physiological and behavioral responses of plants and animals to modifications in the length of days or in the…

PHOTOPHOBIA

noun. A severe and frequently painful vulnerability to light. It might be correlated with migraines or with particular kinds of…

PHOTOPIC

adjective. corresponding to vision in environments with bright illumination, particularly daytime.

PHOTOPIC LUMINOSITY

the relative efficacy of multiple varied wavelengths of light for visual acuity under light-adapted states.

PHOTOPIC VISION

the kind of vision correlated with light levels during daytime. Photopic vision is mediated by retinal cones, while vision at…

PHOTOPIC-SENSITIVITY CURVE

a graph of visual threshold as an act of wavelength under light-adapted conditions. The peak of the human lies at…

PHOTOPIGMENT

noun. a substance in a retinal rod or retinal cone which interacts with light to initiate a chemical cascade resulting…

PHOTOPSIA

noun. visual feelings when there are no exterior visual stimulants, that can be unstructured.