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Limbic circuitry in patients with autism spectrum disorders studied with positron emission tomography and magnetic resonance imaging.
- M. Haznedar, M. Buchsbaum, E. Hollander
- Medicine, BiologyThe American journal of psychiatry
- 1 December 2000
Compared with age- and sex-matched healthy volunteers, patients with autism spectrum disorders showed significantly decreased metabolism in both the anterior and posterior cingulate gyri.
White matter changes in schizophrenia: evidence for myelin-related dysfunction.
- K. Davis, Daniel G Stewart, V. Haroutunian
- Psychology, MedicineArchives of general psychiatry
- 1 May 2003
Support for the hypothesis that oligodendroglial dysfunction and even death, with subsequent abnormalities in myelin maintenance and repair, contribute to the schizophrenic syndrome is supported.
Striatal Volume on Magnetic Resonance Imaging and Repetitive Behaviors in Autism
Diffusion tensor imaging findings in first-episode and chronic schizophrenia patients.
- J. Friedman, Cheuk Y. Tang, K. Davis
- Medicine, PsychologyThe American journal of psychiatry
- 1 August 2008
A DTI investigation of the largest cohort of first-episode schizophrenia patients yet reported in conjunction with a group of chronic schizophrenia patients and healthy subjects suggests less widespread changes in white matter at illness onset in schizophrenia which progress in more chronic states.
Cortical glucose metabolic rate correlates of abstract reasoning and attention studied with positron emission tomography
Reduced prefrontal and increased subcortical brain functioning assessed using positron emission tomography in predatory and affective murderers.
- A. Raine, J. Meloy, S. Bihrle, J. Stoddard, L. Lacasse, M. Buchsbaum
- PsychologyBehavioral sciences & the law
- 1 June 1998
Results support the hypothesis that emotional, unplanned impulsive murderers are less able to regulate and control aggressive impulses generated from subcortical structures due to deficient prefrontal regulation.
Response inhibition in adolescents diagnosed with attention deficit hyperactivity disorder during childhood: an event-related FMRI study.
- K. Schulz, Jin Fan, J. Halperin
- Psychology, BiologyThe American journal of psychiatry
- 1 September 2004
Compared with adolescents who had no history of ADHD, adolescents who were diagnosed with ADHD during childhood exhibited enhanced responses during inhibition in ventrolateral prefrontal cortical areas that subserve response inhibition, as well as in anterior cingulate and frontopolar regions implicated in other executive functions.
Regional glucose metabolic changes after learning a complex visuospatial/motor task: a positron emission tomographic study
The thalamus and schizophrenia: current status of research
A review examines those aspects of thalamic circuitry and function that suggest salience to SZ and evidence for anomalies of thAlamic structure and function obtained from postmortem and neuroimaging studies is examined.
MRI white matter diffusion anisotropy and PET metabolic rate in schizophrenia
Co-registered PET scans revealed significantly lower correlation coefficients between metabolic rates in the prefrontal cortex and striatum in patients than in controls, providing convergent evidence for diminished fronto–striatal connectivity in schizophrenia.