Figure 1. Group comparison of the DMN deactivations. Longitudinal comparison of the “default mode” deactivations in adolescents prenatally exposed to cocaine
نویسندگان
چکیده
DMN deactivations. Longitudinal comparison of the “default mode” deactivations in adolescents prenatally exposed to cocaine Zhihao Li, Priya Santhanam, Claire Coles, Mary Ellen Lynch, Stephan Hamann, and Xiaoping Hu Biomedical Engineering, Emory University & Georgia Institute of Technology, Atlanta, Georgia, United States, Psychiatry and Behavioral Science, Emory University, Atlanta, Georgia, United States, Psychology, Emory University, Atlanta, Georgia, United States
منابع مشابه
Longitudinal changes of amygdala and default mode activation in adolescents prenatally exposed to cocaine.
Prenatal cocaine exposure (PCE) is associated with long-term and negative effect on arousal regulation. Recent neuroimaging studies have examined brain mechanisms related to arousal dysregulation with cross-sectional experimental designs; but longitudinal changes in the brain, reflecting group differences in neurodevelopment, have never been directly examined. To directly assess the interaction...
متن کاملTask-Induced Deactivation from Rest Extends beyond the Default Mode Brain Network
Activity decreases, or deactivations, of midline and parietal cortical brain regions are routinely observed in human functional neuroimaging studies that compare periods of task-based cognitive performance with passive states, such as rest. It is now widely held that such task-induced deactivations index a highly organized 'default-mode network' (DMN): a large-scale brain system whose discovery...
متن کاملFunctional Heterogeneity within the Default Network during Semantic Processing and Speech Production
This fMRI study investigated the functional heterogeneity of the core nodes of the default mode network (DMN) during language processing. The core nodes of the DMN were defined as task-induced deactivations over multiple tasks in 94 healthy subjects. We used a factorial design that manipulated different tasks (semantic matching or speech production) and stimuli (familiar words and objects or un...
متن کاملDefault Mode Network (DMN) Activity during Olfactory Processing
Introduction: The dynamics of resting state networks during active and passive task performance has received increased attention in recent times [1, 2]. Several studies have reported modulations in the default mode network (DMN) (or deactivations) during the performance of sensoryand cognitivefMRI tasks [1, 2, 3]. However, no study has investigated such modulations in relation to olfaction. Usi...
متن کاملThe default mode network in chimpanzees (Pan troglodytes) is similar to that of humans.
The human default mode network (DMN), comprising medial prefrontal cortex, precuneus, posterior cingulate cortex, lateral parietal cortex, and medial temporal cortex, is highly metabolically active at rest but deactivates during most focused cognitive tasks. The DMN and social cognitive networks overlap significantly in humans. We previously demonstrated that chimpanzees (Pan troglodytes) show ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2013