Brain Imaging

Cognition and Behavior: 'Mind blindness' Has Brain Signature

Submitted by djohnson on April 24, 2013 - 13:36
Source: 
SFARI
Link: 
http://sfari.org/news-and-opinion/in-brief/2013/cognition-and-behavior-mind-blindness-has-brain-signature
Date Published: 
April 13, 2013
Abstract: 

Two recent studies have linked ‘mind-blindness’ to atypical patterns of brain activity in people with ASD.

Autism Spectrum Disorder Is Associated with Ventricular Enlargement in a Low Birth Weight Population

Submitted by djohnson on April 16, 2013 - 14:38
Source: 
Journal of Pediatrics
Link: 
http://www.jpeds.com/article/S0022-3476%2812%2901573-9/abstract
Date Published: 
February 13, 2013
Abstract: 

This new study in the Journal of Pediatrics links ventricular enlargement in the brains of low-birth-weight neonates to ASD.

A Quantitative Link between Face Discrimination Deficits and Neuronal Selectivity for Faces in Autism

Submitted by djohnson on March 27, 2013 - 10:05
Source: 
NeuroImage: Clinical
Link: 
http://www.sciencedirect.com/science/article/pii/S221315821300017X
Date Published: 
March 15, 2013
Abstract: 

In this fMRI study of adults with ASD, reduced neuronal selectivity for faces was linked to greater behavioral deficits in face recognition.

Differences in white matter fiber tract development present from 6 to 24 months in infants with autism.

Submitted by nlombardi on March 25, 2013 - 16:24
Source: 
PubMed
Link: 
http://www.ncbi.nlm.nih.gov/pubmed/22362397
Date Published: 
June 2012
Abstract: 

Results suggest that aberrant development of white matter pathways may precede the manifestation of autistic symptoms in the first year of life.

The geometric structure of the brain fiber pathways.

Submitted by nlombardi on March 25, 2013 - 16:17
Source: 
PubMed
Link: 
http://www.ncbi.nlm.nih.gov/pubmed/22461612
Date Published: 
May 11, 2012
Abstract: 

Findings from analyzing relationships of adjacency and crossing between cerebral fiber pathways in four nonhuman primate species and in humans by using diffusion magnetic resonance imaging.

Special Report: Connectivity

Submitted by djohnson on March 25, 2013 - 10:37
Source: 
SFARI
Link: 
http://sfari.org/news-and-opinion/specials/2013/connectivity/connectivity-special-report
Date Published: 
March 25, 2013
Abstract: 

This special report from the Simons Foundation looks at neural connectivity theories of autism.

Developmental Meta-Analysis of the Functional Neural Correlates of Autism Spectrum Disorders

Submitted by djohnson on March 18, 2013 - 12:24
Source: 
Journal of the American Academy of Child and Adolescent Psychiatry
Link: 
http://www.jaacap.com/article/S0890-8567(12)00998-7/abstract
Date Published: 
December 26, 2012
Abstract: 

According to this recent meta-analysis of fMRI studies, autism-related changes in brain activity may continue to develop with age.

Impaired Coordination of Brain Activity in Autism Involves Local, as Well as Long-Range, Signaling

Submitted by cgold on January 23, 2013 - 14:15
Source: 
Science Daily
Link: 
http://www.sciencedaily.com/releases/2013/01/130114153422.htm
Date Published: 
January 14, 2013
Abstract: 

MEG study finds diminished long-range and local functional connectivity as individuals with ASD viewed faces. The study challenges the popular assumption that only long-range connectivity is reduced in ASD.

Impaired Language Pathways in Tuberous Sclerosis Complex Patients with Autism Spectrum Disorders

Submitted by cgold on January 14, 2013 - 12:17
Source: 
Cerebral Cortex
Link: 
http://www.ncbi.nlm.nih.gov/pubmed/22661408
Date Published: 
June 1, 2012
Abstract: 

"The purpose of this study was to examine the relationship between language pathways and autism spectrum disorders (ASDs) in patients with tuberous sclerosis complex (TSC). "