Prosodic processing in the developing brain

Neuroscience Research, Journal Year: 2007, Volume and Issue: 59(1), P. 29 - 39

Published: May 26, 2007

Language: Английский

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Prefrontal Cortical Involvement in Young Infants' Analysis of Novelty

Cerebral Cortex, Journal Year: 2008, Volume and Issue: 19(2), P. 455 - 463

Published: June 9, 2008

Our knowledge of infant perception and cognition is primarily based on habituation dishabituation, but the underlying neural mechanisms for these processes per se remain unclear. It has been argued that related to building internal representations repeated stimuli in central nervous system, whereas dishabituation an increased attention novel items events. This leads a hypothesis distributed network including sensory, association prefrontal cortical regions young infants involved those processes, contrast with classical developmental view onset functioning cortex delayed. Here we examined time evolution spatio-temporal hemodynamic responses auditory temporal 3-month-old by using multichannel near-infrared spectroscopy. We found remained activated repetitive stimuli; however, exhibited phasic activation relation stimuli. The dissociated pattern between suggests distinct play functional roles perceiving invariance or novelty immediate environment early infancy.

Language: Английский

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Reduced frontopolar activation during verbal fluency task associated with poor social functioning in late‐onset major depression: Multi‐channel near‐infrared spectroscopy study

Psychiatry and Clinical Neurosciences, Journal Year: 2008, Volume and Issue: 62(6), P. 728 - 737

Published: Nov. 24, 2008

Aim: Functional neuroimaging studies to date have indicated prefrontal dysfunction in late‐onset major depression (LOD). The relationships between and clinical characteristics including social functioning, however, been unclear. objective of the present study was evaluate hemodynamic response related an executive task LOD assess relationship activation regions functioning. Methods: Twenty‐four subjects with 30 age‐ gender‐matched healthy were recruited for study. Hemoglobin concentration changes superior temporal cortical surface area measured during verbal fluency (VFT) using 52‐channel near‐infrared spectroscopy (NIRS), which enables real‐time monitoring cerebral blood volume (CBV) area. Results: two groups had a distinct spatiotemporal pattern oxy‐hemoglobin change; patients less broad covering both cortices than controls. In addition, reduced frontopolar region significant positive correlation lower self‐assessment functioning scores patient group. Conclusion: Reduced associated impairment LOD, NIRS may be efficient tool these characteristics.

Language: Английский

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Prefrontal activation in response to emotional words in patients with bipolar disorder and major depressive disorder

NeuroImage, Journal Year: 2013, Volume and Issue: 85, P. 489 - 497

Published: May 3, 2013

Language: Английский

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A multi-channel near-infrared spectroscopy study of prefrontal cortex activation during working memory task in major depressive disorder

Neuroscience Research, Journal Year: 2011, Volume and Issue: 70(1), P. 91 - 97

Published: Jan. 18, 2011

Language: Английский

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