Kim M Dalton
Affiliation: University of Wisconsin
- Gaze fixation and the neural circuitry of face processing in autismKim M Dalton
Waisman Center, University of Wisconsin, 1500 Highland Avenue, Madison, Wisconsin 53705 2280, USA
Nat Neurosci 8:519-26. 2005..In addition, variation in eye fixation within autistic individuals was strongly and positively associated with amygdala activation across both studies, suggesting a heightened emotional response associated with gaze fixation in autism...
- Prefrontal social cognition network dysfunction underlying face encoding and social anxiety in fragile X syndromeLaura M Holsen
Waisman Center, University of Wisconsin, USA
Neuroimage 43:592-604. 2008..These data indicate that social anxiety in FXS may be related to the inability to successfully recruit higher level social cognition regions during the initial phases of memory formation...
- Gaze-fixation, brain activation, and amygdala volume in unaffected siblings of individuals with autismKim M Dalton
Waisman Center, University of Wisconsin, Madison, Wisconsin, USA
Biol Psychiatry 61:512-20. 2007..These characteristics primarily affect the social aspects of language, communication, and human interaction. The current research focuses on possible neurobehavioral characteristics associated with the broad autism phenotype...
- Brain function and gaze fixation during facial-emotion processing in fragile X and autismKim M Dalton
Waisman Center, University of Wisconsin, Madison, Wisconsin 53705 2208, USA
Autism Res 1:231-9. 2008....
- Amygdala volume and nonverbal social impairment in adolescent and adult males with autismBrendon M Nacewicz
Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin-Madison, Waisman Center, 1500 Highland Avenue, Madison, WI 53705, USA
Arch Gen Psychiatry 63:1417-28. 2006..047). CONCLUSIONS: These findings best support a model of amygdala hyperactivity that could explain most volumetric findings in autism. Further psychophysiological and histopathological studies are indicated to confirm these findings...
- General multivariate linear modeling of surface shapes using SurfStatMoo K Chung
Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI 53705, USA
Neuroimage 53:491-505. 2010..The methodology has been applied for quantifying abnormal local amygdala shape variations in 22 high functioning autistic subjects...
- Tensor-based cortical surface morphometry via weighted spherical harmonic representationMoo K Chung
Department of Biostatistics and Medical Informatics, and the Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI 53706, USA
IEEE Trans Med Imaging 27:1143-51. 2008..As an illustration, the methodology has been applied in the problem of detecting abnormal cortical regions in the group of high functioning autistic subjects...
- Neural-cardiac coupling in threat-evoked anxietyKim M Dalton
W M Keck Laboratory for Functional Brain Imaging and Behavior at the Waisman Center, University of Wisconsin, Madison, 53705, USA
J Cogn Neurosci 17:969-80. 2005....
- Topological characterization of signal in brain images using min-max diagramsMoo K Chung
Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI 53706, USA
Med Image Comput Comput Assist Interv 12:158-66. 2009..As an application, we have used this method to characterize cortical thickness measures along brain surfaces in classifying autistic subjects. Our promising experimental results provide evidence of the power of this representation...
- Making a life worth living: neural correlates of well-beingHeather L Urry
Department of Psychology and W.M. Keck Laboratory for Functional Brain Imaging and Behavior, University of Wisconsin-Madison, Madison, WI 53706, USA
Psychol Sci 15:367-72. 2004..Appropriately engaging sources of appetitive motivation, characteristic of higher left than right baseline levels of prefrontal activation, may encourage the experience of well-being...
- Cortical thickness analysis in autism with heat kernel smoothingMoo K Chung
Department of Statistics, University of Wisconsin, 1210 West Dayton Street, Madison, WI 53706, USA
Neuroimage 25:1256-65. 2005..As an illustration, we apply our methods in detecting the regions of abnormal cortical thickness in 16 high functioning autistic children via random field based multiple comparison correction that utilizes the new smoothing technique...
- Weighted fourier series representation and its application to quantifying the amount of gray matterMoo K Chung
Department of Statistics, Biostatistics, and Medical Informatics, and the Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI 53706, USA
IEEE Trans Med Imaging 26:566-81. 2007..html. As an illustration, the WFS is applied i n quantifying the amount ofgray matter in a group of high functioning autistic subjects. Within the WFS framework, cortical thickness and gray matter density are computed and compared...
- Less white matter concentration in autism: 2D voxel-based morphometryMoo K Chung
Department of Statistics, University of Wisconsin Madison, Madison, WI 53706, USA
Neuroimage 23:242-51. 2004..Further, it is shown that the less white matter concentration in the corpus callosum in autism is due to hypoplasia rather than atrophy...
- Now you feel it, now you don't: frontal brain electrical asymmetry and individual differences in emotion regulationDaren C Jackson
University of Wisconsin Madison, 53706, USA
Psychol Sci 14:612-7. 2003..This relation between resting frontal activation and recovery following an aversive event supports the idea of a frontally mediated mechanism involved in one form of automatic emotion regulation...
- Affective style and in vivo immune response: neurobehavioral mechanismsMelissa A Rosenkranz
Laboratory for Affective Neuroscience, Department of Psychology, University of Wisconsin, 1202 W. Johnson Street, Madison, WI 53706, USA
Proc Natl Acad Sci U S A 100:11148-52. 2003..These data support the hypothesis that individuals characterized by a more negative affective style mount a weaker immune response and therefore may be at greater risk for illness than those with a more positive affective style...