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  2. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    This may suggest that hairline and outer perimeter of the face play an integral part in the newborn's face recognition. [15] According to Maurer and Salapateck, a one-month-old baby scans the outer contour of the face, with strong focus on the eyes, while a two-month-old scans more broadly and focuses on the features of the face, including the ...

  3. Early childhood development - Wikipedia

    en.wikipedia.org/wiki/Early_Childhood_Development

    By 2nd and 3rdmonth of their life, babies develop early consonant sounds like /k/ and /g/. The second half of the first year is the babbling phase where babies begin with repeated sounds like "babababa" or "mamamama". Infants vocalising more tend to develop stronger communication skills. [23] Early communication skills vary from child to child.

  4. Lea test - Wikipedia

    en.wikipedia.org/wiki/Lea_test

    The "LEA Numbers Test" was the second of the LEA tests that was developed and can be used to test the visual acuity of older children and even adults. This test has a layout similar to a typical Snellen chart, with lines of numbers decreasing in size towards the bottom of the page. Like the optotypes of the LEA Symbols Test, these numbers are ...

  5. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    "Baby fat" continues to appear on thighs, upper arms and neck. Feet appear flat as arch has not yet fully developed. Both eyes work in unison (true binocular coordination). Can see distant objects (4 to 6 m or 13 to 20 ft away) and points at them. Motor development. Reaches with one hand leading to grasp an offered object or toy.

  6. 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 ...

  7. Infant cognitive development - Wikipedia

    en.wikipedia.org/wiki/Infant_cognitive_development

    Infant cognitive development is the first stage of human cognitive development, in the youngest children.The academic field of infant cognitive development studies of how psychological processes involved in thinking and knowing develop in young children. [1]

  8. Preferential looking - Wikipedia

    en.wikipedia.org/wiki/Preferential_looking

    Conclusions have been drawn from preferential looking experiments about the knowledge that infants possess. For example, if infants discriminate between rule-following and rule-violating stimuli ‍ — say, by looking longer, on average, at the latter than the former ‍ — then it has sometimes been concluded that infants know the rule.

  9. Primitive reflexes - Wikipedia

    en.wikipedia.org/wiki/Primitive_reflexes

    This reflex occurs in slightly older infants (starts between 6 and 7 months [24] and become fully mature by 1 year of age) when the child is held upright and the baby's body is rotated quickly to face forward (as in falling). The baby will extend their arms forward as if to break a fall, even though this reflex appears long before the baby walks.