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Individual differences |
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Developmental Psychology: Cognitive development · Development of the self · Emotional development · Language development · Moral development · Perceptual development · Personality development · Psychosocial development · Social development · Developmental measures
Embodiment in Perseverative Reaching Edit
Esther Thelen used A-not-B error as an example of how movement is complex. In figure 6, Esther Thelen illustrated the use of movement parameters in the decision for the infant to move to either A position or B position. As stated in the dynamical systems theory in order for movement to occur, the control parameter must be scaled up above the threshold. The input given to the child by the placing of the toy or the hinting at a certain cover is the specific input. This also factors into the decisions needing to be made in order for the child to make a movement towards the toy. Making a decision as to where to move and the actual movement towards the toy is time dependent. Three aspects factor into the time taken in making this decision and making the movement. These factors include transiet and tonic visual input and the infants memory of the toy location.The task input begins with the first movement towards the toy. After the second time for the child to reach for the toy after it ihas been hidden under the cover the child is using specific input. This specific input is from their memory of their first time reaching for the toy. This input is displayed in Figure 7. After making that first move towards position A, a memory has been formed. By the time the second movement towards position A occurs, more input is allowed to contribute to the decision. However, after many movements towards position A, this memory becomes very strong. Despite showing the child that the toy is at position B the child will still move towards position A seeking the toy. This can be displayed in Figures 8 and 9.