J
Jiska S. Peper
Researcher at Leiden University
Publications - 55
Citations - 4835
Jiska S. Peper is an academic researcher from Leiden University. The author has contributed to research in topics: Testosterone (patch) & White matter. The author has an hindex of 35, co-authored 55 publications receiving 4137 citations. Previous affiliations of Jiska S. Peper include University of Groningen & Utrecht University.
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Genetic influences on human brain structure: A review of brain imaging studies in twins
TL;DR: An overview of structural Magnetic Resonance (brain) Imaging studies in twins is presented, which focuses on the influence of genetic factors on variation in healthy human brain volume.
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Longitudinal Changes in Adolescent Risk-Taking: A Comprehensive Study of Neural Responses to Rewards, Pubertal Development, and Risk-Taking Behavior
TL;DR: In this article, a longitudinal analysis was conducted to test whether individual differences in pubertal development and risk-taking behavior were contributors to longitudinal change in nucleus accumbens activity.
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Testosterone Reduces Unconscious Fear but Not Consciously Experienced Anxiety: Implications for the Disorders of Fear and Anxiety
TL;DR: These data provide the first direct evidence for fear-reducing properties of testosterone in humans by dissociating specific aspects of fear and anxiety in humans and highlights that testosterone's effects on motivation and emotion concern the subcortical affective pathways of the brain.
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Sex steroids and brain structure in pubertal boys and girls
Jiska S. Peper,Rachel M. Brouwer,Hugo G. Schnack,G. Caroline M. van Baal,Marieke van Leeuwen,Stéphanie Martine van den Berg,Henriette A. Delemarre-van de Waal,Dorret I. Boomsma,René S. Kahn,Hilleke E. Hulshoff Pol +9 more
TL;DR: In girls, with the progression of puberty, gray matter development is at least in part directly associated with increased levels of estradiol, whereas in boys, who are in a less advanced pubertal stage, such steroid-related development could not be found.
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The Teenage Brain Surging Hormones—Brain-Behavior Interactions During Puberty
Jiska S. Peper,Ronald E. Dahl +1 more
TL;DR: How these hormonal events contribute to brain-behavior interactions that can bias early adolescent trajectories in both positive and negative directions is considered, and in ways that may begin as small influences but can spiral into large-scale effects over time.