In one study led by Harvard's Yurgelun-Todd, a small group of adults and teens were shown standardized pictures of fearful faces. All of the adults correctly identified fear in the facial expressions, but many of the teens guessed wrong at least once, picking emotions such as anger, shock or discomfort.
It is not yet clear whether the frontal lobes are less well developed or just being used in a different way in the younger adolescents. Yurgelun-Todd has been experimenting with a new method, functional magnetic resonance spectroscopy, to
At least part of the reason may be that adolescent brains process information differently than adult brains, according to research led by neuropsychologist Deborah Yurgelun-Todd, PhD, of Harvard University's McLean Hospital Cognitive Neuroimaging and Neuropsychology Laboratory.
In a study conducted at Boston's McLean Hospital, psychologist Deborah Yurgelun-Todd and colleagues showed pictures of people wearing fearful expressions to teenagers between the ages of 11 and 17 while the teens had their brains scanned using functional magnetic resonance imaging (fMRI).
Pope HGJr, Gruber AJ, Hudson JI, Cohane G, Huestis MA, Yurgelun-Todd D: Early-onset cannabis use and cognitive deficits: what is the nature of the association?
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So, [although] somebody looks physically mature, their brain may in fact not be mature." Deborah Yurgelun-Todd, PhD Brain Imaging Laboratory, McClean Hospital Harvard University Medical School ©2002 Hybrid Medical Animation
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As Pribram puts it, "The prefrontal cortex is the seat of civilization. "Something very different happens in teenagers, according to Deborah Yurgelun-Todd, a neuropsychologist at McLean Hospital in Belmont, Mass.
In a recent review of the literature on human adolescent brain development, Yurgelun-Todd (2007) suggests that cognitive development through the adolescent years is associated with progressively greatere"-ciencyof cognitive control capacities.