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University of Nebraska - Lincoln

Department of Psychology: Faculty Publications

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Full-Text Articles in Medicine and Health Sciences

The Relationship Between The Perception Of Axes Of Symmetry And Spatial Memory During Early Childhood, Margaret R. Ortmann, Anne R. Schutte Jan 2010

The Relationship Between The Perception Of Axes Of Symmetry And Spatial Memory During Early Childhood, Margaret R. Ortmann, Anne R. Schutte

Department of Psychology: Faculty Publications

Early in development, there is a transition in spatial working memory (SWM). When remembering a location in a homogeneous space (e.g., in a sandbox), young children are biased toward the midline symmetry axis of the space. Over development, a transition occurs that leads to older children being biased away from midline. The dynamic field theory (DFT) explains this transition in biases as being caused by a change in the precision of neural interaction in SWM and improvements in the perception of midline. According to the DFT, young children perceive midline, but there is a quantitative improvement in the perception of …


Pubertal Status And Psychosocial Development: Findings From The Early Adolescence Study, Lisa J. Crockett, Anne C. Petersen Jan 1987

Pubertal Status And Psychosocial Development: Findings From The Early Adolescence Study, Lisa J. Crockett, Anne C. Petersen

Department of Psychology: Faculty Publications

Beginning in 1978, we have conducted a longitudinal study of early adolescent development. A major objective of this research has been to examine the influence of pubertal changes on other aspects of development during this period. With regard to pubertal effects we wished to address two major questions. First, what aspects of behavior seem to be affected by pubertal development? (In other words, are pubertal effects pervasive or relatively circumscribed, and if they are circumscribed, which aspects of behavior are involved?) Second, how does pubertal change exert an influence--does it operate directly on specific aspects of behavior and performance (for …