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Physiognomy (from Greek φύσις (physis) 'nature' and γνώμων (gnomon) 'judge, interpreter') or face reading is the practice of assessing a person's character or personality from their outer appearance—especially the face.
Identity is the set of qualities, beliefs, personality traits, appearance, and/or expressions that characterize a person or a group. [1] [2] [3] [4]Identity emerges during childhood as children start to comprehend their self-concept, and it remains a consistent aspect throughout different stages of life.
This theory examines how individual personality differences are based on natural selection. Through natural selection organisms change over time through adaptation and selection. Traits are developed and certain genes come into expression based on an organism's environment and how these traits aid in an organism's survival and reproduction.
The face is the front of an animal's head that features the eyes, nose and mouth, and through which animals express many of their emotions. [ 1 ] [ 2 ] The face is crucial for human identity , and damage such as scarring or developmental deformities may affect the psyche adversely.
Personal identity is the unique numerical identity of a person over time. [1] [2] Discussions regarding personal identity typically aim to determine the necessary and sufficient conditions under which a person at one time and a person at another time can be said to be the same person, persisting through time.
For humans, the Big Five personality traits, also known as the five-factor model (FFM) or the OCEAN model, is the prevailing model for personality traits. When factor analysis (a statistical technique) is applied to personality survey data, some words or questionnaire items used to describe aspects of personality are often applied to the same person.
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The biological basis of personality is a collection of brain systems and mechanisms that underlie human personality. Human neurobiology, especially as it relates to complex traits and behaviors, is not well understood, but research into the neuroanatomical and functional underpinnings of personality are an active field of research.