Research Topics
| Manzar AshtariSummaryAffiliation: Long Island Jewish Medical Center Country: USA Publications
Research Grants
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Detail Information
Publications
Lack of normal association between cerebellar volume and neuropsychological functions in first-episode schizophreniaPhilip R Szeszko
Department of Psychiatry Research, Zucker Hillside Hospital, North Shore Long Island Jewish Health System, NY 11004, USA
Am J Psychiatry 160:1884-7. 2003..Few studies, however, have examined the relationship between cerebellar size and neuropsychological functioning in schizophrenia. The authors' goal was to examine this relationship in patients and healthy comparison subjects...
Smaller anterior hippocampal formation volume in antipsychotic-naive patients with first-episode schizophreniaPhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, 75 59 263rd St, Glen Oaks, NY 11004, USA
Am J Psychiatry 160:2190-7. 2003..The authors investigated volumetric alterations of the anterior hippocampal formation in patients experiencing a first episode of schizophrenia relative to healthy comparison subjects...
Left middle temporal gyrus activation during a phonemic discrimination taskManzar Ashtari
Department of Radiology, North Shore Long Island Jewish Health System, New Hyde Park, NY 11004, USA
Neuroreport 15:389-93. 2004..This study also demonstrates the advantage of tone discrimination control blocks as opposed to conventional rest periods to isolate the pure language component of phonemic discrimination...
Attention-deficit/hyperactivity disorder: a preliminary diffusion tensor imaging studyManzar Ashtari
Departments of Radiology, North Shore Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
Biol Psychiatry 57:448-55. 2005..Based upon the literature, we predicted decreased fractional anisotropy (FA) findings in the frontal and cerebellar regions...
White matter abnormalities in first-episode schizophrenia or schizoaffective disorder: a diffusion tensor imaging studyPhilip R Szeszko
The Zucker Hillside Hospital, Department of Psychiatry Research, 75 59 263rd St, Glen Oaks, NY 11004, USA
Am J Psychiatry 162:602-5. 2005..The goal of this study was to investigate brain white matter abnormalities by using diffusion tensor imaging in patients with schizophrenia or schizoaffective disorder close to illness onset...
Clinical and neuropsychological correlates of white matter abnormalities in recent onset schizophreniaPhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Neuropsychopharmacology 33:976-84. 2008..These abnormalities have clinical and neuropsychological correlates, which may be useful in further characterizing structure-function relations in schizophrenia and constraining neurobiological models of the disorder...
White matter abnormalities in early-onset schizophrenia: a voxel-based diffusion tensor imaging studySanjiv Kumra
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
J Am Acad Child Adolesc Psychiatry 44:934-41. 2005..To investigate abnormalities in the structural integrity of brain white matter as suggested by diffusion tensor imaging in adolescents with early-onset schizophrenia (onset of psychosis by age 18)...
Anterior cingulate grey-matter deficits and cannabis use in first-episode schizophreniaPhilip R Szeszko
Zucker Hillside Hospital, Psychiatry Research, 75 59 263rd Street, Glen Oaks, NY 11004, USA
Br J Psychiatry 190:230-6. 2007..Despite the high prevalence of cannabis use in schizophrenia, few studies have examined the potential relationship between cannabis exposure and brain structural abnormalities in schizophrenia...
White matter development during late adolescence in healthy males: a cross-sectional diffusion tensor imaging studyManzar Ashtari
The Zucker Hillside Hospital, Department of Psychiatry Research, 75 59 263rd Street, Glen Oaks, NY 11004, USA
Neuroimage 35:501-10. 2007..The authors investigated WM development in healthy adolescent males through age-associated changes in fractional anisotropy (FA), radial (lambda( perpendicular)) and axial (lambda(||)) diffusivity...
White matter abnormalities in obsessive-compulsive disorder: a diffusion tensor imaging studyPhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Arch Gen Psychiatry 62:782-90. 2005....
Increased stress and smaller anterior hippocampal volumePhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, New York 11004, USA
Neuroreport 17:1825-8. 2006..Our results may also have implications for neuropsychiatric disorders that have implicated stress and hippocampal abnormalities in their pathogenesis...
Medial temporal structures and memory functions in adolescents with heavy cannabis useManzar Ashtari
Department of Radiology, Children s Hospital of Philadelphia, Philadelphia, PA 19102, USA
J Psychiatr Res 45:1055-66. 2011....
Sex differences in frontal lobe white matter microstructure: a DTI studyPhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, 75 59 263rd Street, Glen Oaks, NY 11004, USA
Neuroreport 14:2469-73. 2003..Our findings may be indicative of increased directional coherence and/or density of left hemisphere white matter fibers and a leftward asymmetry of this structural integrity among women compared to men...
Mapping the functional anatomy of sentence comprehension and application to presurgical evaluation of patients with brain tumorManzar Ashtari
Department of Radiology and Neurology, Long Island Jewish Division of the North Shore-Long Island Jewish Health System, New Hyde Park, New York, NY 11040, USA
AJNR Am J Neuroradiol 26:1461-8. 2005..Data from two cases are summarized to exemplify the input of this task for neurosurgery...
Basal ganglia volumes in first-episode schizophrenia and healthy comparison subjectsHandan Gunduz
Department of Psychiatry Research, Hillside Hospital of the North Shore, Long Island Jewish Health System, 75-59 263rd Street, Glen Oaks, NY 11004, USA
Biol Psychiatry 51:801-8. 2002..The lack of a negative correlation between age and striatal volume among patients may implicate illness-associated factors that alter normal age-related changes in basal ganglia size...
Neuropsychological correlates of hippocampal volumes in patients experiencing a first episode of schizophreniaPhilip R Szeszko
Department of Psychiatry Research, Hillside Hospital, a division of North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Am J Psychiatry 159:217-26. 2002..This study investigated the neuropsychological correlates of hippocampal volume in 43 men and 32 women experiencing a first episode of schizophrenia...
Reduced frontal white matter integrity in early-onset schizophrenia: a preliminary studySanjiv Kumra
Department of Research, Zucker Hillside Hospital, Glen Oaks, New York 11004, USA
Biol Psychiatry 55:1138-45. 2004..Abnormalities found in this study were similar to those reported in adults with chronic schizophrenia. Additional studies are needed to assess whether there is progression of WM abnormalities in schizophrenia...
Neuroimaging studies of children with serious emotional disturbances: a selective reviewJane Avery Serene
Harvard Medical School, Boston, Massachusetts, USA
Can J Psychiatry 52:135-45. 2007....
Reversed cerebellar asymmetry in men with first-episode schizophreniaPhilip R Szeszko
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore-Long Island Jewish Health System, Glen Oaks, New York 11004, USA
Biol Psychiatry 53:450-9. 2003....
Disruption of white matter integrity in the inferior longitudinal fasciculus in adolescents with schizophrenia as revealed by fiber tractographyManzar Ashtari
Department of Psychiatry Research, Zucker Hillside Hospital, Glen Oaks, New York, USA
Arch Gen Psychiatry 64:1270-80. 2007..There is increasing evidence that schizophrenia is characterized by abnormalities in white matter...
Brain morphometry using diffusion-weighted magnetic resonance imaging: application to schizophreniaBabak A Ardekani
Center for Advanced Brain Imaging, Nathan S. Kline Institute for Psychiatric Research, Orangeburg, New York, USA
Neuroreport 16:1455-9. 2005..Affected areas included the bilateral insular cortex, hippocampus, temporal lobe, and occipital areas. These results largely concur with previous findings of cortical volume deficits in schizophrenia...
Frontal signal hyperintensities in mania in old ageJose M de Asis
Department of Psychiatry, NY Presbyterian Hospital, Weill Medical College of Cornell University, Westchester Division, White Plains, NY 10605, USA
Am J Geriatr Psychiatry 14:598-604. 2006..The authors assessed frontal and subcortical SH in elderly bipolar manic patients and the comparison group, and hypothesized that SH scores would be greater in the patient group...
CSF sub-compartments in relation to plasma osmolality in healthy controls and in patients with first episode schizophreniaHandan Gunduz-Bruce
Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
Psychiatry Res 155:57-66. 2007..These results suggest that plasma osmolality is related to ventricle size in healthy volunteers and that this physiological link is impaired in patients with first episode schizophrenia...
Cortisol levels in relation to hippocampal sub-regions in subjects with first episode schizophreniaHandan Gunduz-Bruce
Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
Schizophr Res 94:281-7. 2007..Larger scale studies are needed to conclude a link between the two measures, yet it is possible that the negative association that was previously shown in other disorders may not apply to schizophrenia...
Research Grants
- ADHD: A Controlled Diffusion Tensor Imaging StudyManzar Ashtari; Fiscal Year: 2006....
