Glossary G

Geocentric theory refers to the theory proposed by Ptolemy that the sun and planets rotate around the earth.

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Geographical environment is defined as the physical reality according to Koffka.

Deutsch: Geon / Español: Geón / Português: Geon / Français: Géon / Italiano: Geone

A Geon (geometric icon) refers to the volumetric features of Biederman"s recognition-by-components Theory of object perception. Examples of Geons are blocks, cylinders, spheres, arcs, and wedges. According to Biederman, there are about 36 different geons, whic can be arranged in almost endless different ways.

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- Georg Wilhelm Friedrich Hegel (1770-1831) : Georg Wilhelm Friedrich Hegel believed the universe to be an interrelated unity, like Spinoza. Hegel called this unity the "Absolute", and he thought that human history and the human intellect progress via the dialectic process toward the Absolute. Please see also The Absolute

George Berkeley (1685-1753) one of the earliest theorists who said that the only thing humans experience directly is their own perceptions, or secondary qualities.

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- George Kelly (1905 - 1967) : George Kelly emphasized that it is always possible to construe one's self and the world in a variety of ways. For Kelly, psychological problems are essentially perceptual problems.

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Deutsch: Gerontopsychologie / Español: Psicología Geriátrica / Português: Psicologia Geriátrica / Français: Psychologie Gériatrique / Italiano: Psicologia Geriatrica

In the psychology context, geriatric psychology, also known as geropsychology, is a branch of psychology that focuses on the mental health, psychological well-being, and quality of life of older adults. This field addresses the unique challenges, needs, and opportunities associated with aging, including cognitive changes, emotional and behavioral health, adaptation to physical health conditions, and life transitions such as retirement and bereavement.

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Geriatrician refers to a medical doctor who is certified in the care of older people.

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