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  2. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    Infant visual development. A seven-week-old human baby following a kinetic object. Infant vision concerns the development of visual ability in human infants from birth through the first years of life. The aspects of human vision which develop following birth include visual acuity, tracking, color perception, depth perception, and object ...

  3. Synesthesia - Wikipedia

    en.wikipedia.org/wiki/Synesthesia

    A person with synesthesia may associate certain letters and numbers with certain colors. Most synesthetes see characters just as others do (in whichever color actually displayed) but they may simultaneously perceive colors as associated with or evoked by each one. Synesthesia ( American English) or synaesthesia ( British English) is a ...

  4. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    This can be seen when the eyes are closed and looking at the back of the eyelids. In a bright room, a dark red can be seen, owing to a small amount of light penetrating the eyelids and taking on the color of the blood it has passed through. In a dark room, blackness can be seen or the object can be more colourful.

  5. Why your hair and eye colors change - AOL.com

    www.aol.com/news/2014-07-23-why-your-hair-and...

    Hair color is the same way, sometimes, babies are born with very light colored hair that gradually darkens. The colored part of the eye is. Many babies are born with blue eyes, and then their eyes ...

  6. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    t. e. Child development stages are the theoretical milestones of child development, some of which are asserted in nativist theories. This article discusses the most widely accepted developmental stages in children. There exists a wide variation in terms of what is considered "normal", caused by variations in genetic, cognitive, physical, family ...

  7. Mirror stage - Wikipedia

    en.wikipedia.org/wiki/Mirror_stage

    A toddler and a mirror. The mirror stage (French: stade du miroir) is a concept in the psychoanalytic theory of Jacques Lacan.The mirror stage is based on the belief that infants recognize themselves in a mirror (literal) or other symbolic contraption which induces apperception (the turning of oneself into an object that can be viewed by the child from outside themselves) from the age of about ...

  8. The optical illusion hidden in the 'Mona Lisa' explained - AOL

    www.aol.com/news/2015-08-22-the-optical-illusion...

    The technique in this portrait and in the "Mona Lisa" is called "sfumato," in which da Vinci blended colors and shades to get gradual transitions between different shapes in each painting.

  9. Color vision - Wikipedia

    en.wikipedia.org/wiki/Color_vision

    Color vision. Color vision, a feature of visual perception, is an ability to perceive differences between light composed of different frequencies independently of light intensity. Color perception is a part of the larger visual system and is mediated by a complex process between neurons that begins with differential stimulation of different ...