The psychophysics of visual motion and global form processing in autismKami Koldewyn
McGovern Institute for Brain Research, Cambridge, MA 02139, USA
Brain 133:599-610. 2010
..These results do not support a general dorsal stream dysfunction in adolescents with autism but provide evidence of a more complex impairment in higher-level dynamic attentional processes...
Amygdala dysfunction in men with the fragile X premutationDavid Hessl
Medical Investigation of Neurodevelopmental Disorders MIND Institute, University of California Davis, Medical Center, Sacramento, CA 95817, USA
Brain 130:404-16. 2007
..The aetiology for this dysfunction may be elevated FMR1 mRNA or reduced FMR1 protein that occurs in carriers with higher premutation CGG repeat alleles...
- Anatomical connectivity patterns predict face selectivity in the fusiform gyrus
Zeynep M Saygin
Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
Nat Neurosci 15:321-7. 2012
..Additionally, we identified cortical regions whose connectivity was highly influential in predicting face selectivity within the fusiform, suggesting a possible mechanistic architecture underlying face processing in humans...
Investigation of amygdala volume in men with the fragile X premutationDiana Selmeczy
Center for Mind and Brain, University of California, 202 Cousteau Place, Suite 250, Davis, CA 95618, USA
Brain Imaging Behav 5:285-94. 2011
..However, a significant negative correlation between amygdala volume and CGG was found in the lower range of CGG repeat expansions, but not in the higher range of CGG repeat expansions...
- Psychological symptoms correlate with reduced hippocampal volume in fragile X premutation carriers
P E Adams
M I N D Institute, University of California, Davis Health System, Sacramento, California, USA
Am J Med Genet B Neuropsychiatr Genet 153:775-85. 2010
..Though the presentation of FXTAS symptoms is less common in females, anxiety-related problems are common both prior to and after the onset of FXTAS, and may be related to hippocampal changes...
- Volumetric brain changes in females with fragile X-associated tremor/ataxia syndrome (FXTAS)
J S Adams
M I N D Institute, University of California, Davis, CA, USA
Neurology 69:851-9. 2007
..Fragile X-associated tremor/ataxia syndrome (FXTAS) is a late-onset neurodegenerative disorder occurring in male and rare female carriers of a premutation expansion (55 to 200 CGG repeats) of the fragile X mental retardation 1 (FMR1) gene...
- Brief report: aggression and stereotypic behavior in males with fragile X syndrome--moderating secondary genes in a "single gene" disorder
David Hessl
Medical Investigation of Neurodevelopmental Disorders MIND Institute, University of California Davis, Medical Center, 2825 50th Street, Sacramento, CA 95817, USA
J Autism Dev Disord 38:184-9. 2008
..This preliminary study prompts consideration of secondary genes that may modify behavioral phenotype expression in neurodevelopmental disorders, even those with a single gene etiology such as FXS...
- Independent coding of object motion and position revealed by distinct contingent aftereffects
Paul F Bulakowski
The Department of Psychology, University of California, Davis, CA 95616, USA
Vision Res 47:810-7. 2007
..The dissociation between perceived motion and position of the same test pattern, following identical adaptation, demonstrates that distinguishable neural populations code for these object properties...
- Face identity recognition in autism spectrum disorders: a review of behavioral studies
Sarah Weigelt
Department of Brain and Cognitive Science and McGovern Institute for Brain Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, USA
Neurosci Biobehav Rev 36:1060-84. 2012
..Although some evidence suggests that this deficit may be specific to faces, further evidence on this question is necessary...
- Cross-category adaptation reveals tight coupling of face and body perception
Sarah Weigelt
Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
J Neurophysiol 104:581-3. 2010
..Here we report on a recent study by Ghuman and colleagues and other behavioral and neuroimaging investigations that, taken together, provide compelling evidence for a tight coupling of face and body perception...
- Neural correlates of coherent and biological motion perception in autism
Kami Koldewyn
Medical Investigation of Neurodevelopmental Disorders MIND Institute, University of California Davis, USA
Dev Sci 14:1075-88. 2011
..Notably, however, activity in DLPFC was negatively related to autism symptom severity. These results suggest that impairments in higher-order social or attentional networks may underlie visual motion deficits observed in autism...
