G F Andreasen

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Children between 1.5 and 4 years old were tested for their ability to relocate a hidden object after a 180 degrees self-produced movement around an array of four locations. In one task the object's location relative to the other locations could be uniquely defined within one dimension, while in another two dimensions were needed to do this. No differences(More)
Height-in-picture emerges between 6 and 7 years of age in children's drawings as the first indication of portrayal of depth relationships, but can be promoted earlier by the use of a number of experimental manipulations. The present studies investigate whether changing, and hence drawing attention to, the child's viewpoint promotes use of height-in-picture.(More)
When the Siamese edgewise bracket with continuous arch wires is used, it does not always follow that with 100 to 150 Gm. of applied force only the canine and not the buccal segment or anchor unit will move. Conversely, it does not always follow that with 400 to 500 Gm. of applied force only the buccal segment or anchor unit will move forward and the canine(More)
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