DCN Intro - Developmental Cognitive Neuroscience...

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Developmental Cognitive Neuroscience 1—Definition of DCN 2—Changes in brain volume 3—Myelination, Synaptogenesis 4—Prolonged Development of PFC 5—Neurodevelopmental Disorders 6—Infant fMRI and speech
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Brain Volume, Head Size Brain Volume, Head Size
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Figure 27.3 Prenatal development of the human brain
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1-0 mos 3-0 mos 4-5 mos 6-0 mos 7-5 mos 9-0 mos 12-0 mos 15-0 mos 18-0 mos 2-0 Years 2-5 Years 3-0 Years 4-0 Years
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1-0 mos 3-0 mos 4-5 mos 6-0 mos 7-5 mos 2-0 Years 2-5 Years 3-0 Years 4-0 Years 9-0 mos 12-0 mos 15-0 mos 18-0 mos
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20-24 yrs. 25-29 yrs. 30-34 yrs. 35-39 yrs. 40-44 yrs. 45-49 yrs. 55-59 yrs. 60-64 yrs. 65-69 yrs. 70-89 yrs. 50-54 yrs.
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0 200000 400000 600000 800000 1000000 1200000 1400000 Volume (mm3) Year s Week s Months Recording Age
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Figure 27.5 Anatomical measures of human brain development (Part 1)
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Segmenting: White matter, gray matter, CSF, other Segmenting: White matter, gray matter, CSF, other matter Myelination Prolonged Development of PFC
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T1W, GM WM PVEs 6-0 mos 3-0 mos
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T1W in First Year 1-0Mo (1.5T 2D) 3-0Mo 4-5Mo 6-0Mo 7-5Mo 9-0Mo 12-0Mo (1.5T 2D) 20-24Yrs
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(Note the WM in PFC / InferiorPFC / Temporal) GM and WM PVE (3, 6 mo, adult)
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6 Months (3T) 12 Months (1.5T) 18 Months (1.5T) 3 Months (3T)
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These scans are in the Portrait PPTX file
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Recording Age Volume mm3 0 2 4 6 8 10 12 A Weeks Months Years
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Recording Age Volume mm3 0 50000 100000 150000 200000 250000 B Weeks Months Years
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Figure 27.4 Time course of two key developmental processes (Part 1)
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This note was uploaded on 02/24/2011 for the course PYSC 507 taught by Professor Richards during the Fall '10 term at South Carolina.

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DCN Intro - Developmental Cognitive Neuroscience...

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