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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 recognition.
[24] [25] [26] Recent research has even shown this ability in newborns only a few hours old. [27] However, other studies have shown similar results received by Michotte (1976) in infants as young as 6 months, but not younger. [28] [29] These studies support a more developmental progression of abilities required for the perception of causality.
First, there is an outpocketing of the neural tube called optic vesicles.Development of the optic vesicles starts in the 3-week embryo, from a progressively deepening groove in the neural plate called the optic sulcus.
It has been shown that artificial intelligent agents can be trained to exhibit object permanence. [28] [29] Building such agents revealed an interesting structure.The object permanence task involves several visual and reasoning components, where the most important ones are to detect a visible object, to learn how it moves and to reason about its movement even when it is not visible.
An explorative study found, however, that 3- to 5-month-old infants can be taught independent standing, which was considered safe. [32] Passes objects between hands. [31] Some infantile reflexes, such as the palmar grasp reflex, go away. [31] Grabs objects using a raking grasp, where fingers rake at objects to pick them up. [31]
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Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images within the eye.