User profiles for Matcheri S Keshavan

Matcheri Keshavan

Professor of Psychiatry, Harvard University
Verified email at bidmc.harvard.edu
Cited by 79618

Developmental traumatology part II: brain development

MD De Bellis, MS Keshavan, DB Clark, BJ Casey… - Biological …, 1999 - Elsevier
Background: Previous investigations suggest that maltreated children with a diagnosis of
posttraumatic stress disorder (PTSD) evidence alterations of biological stress systems. …

Schizophrenia,“just the facts” 4. Clinical features and conceptualization

R Tandon, HA Nasrallah, MS Keshavan - Schizophrenia research, 2009 - Elsevier
Although dementia praecox or schizophrenia has been considered a unique disease entity
for the past century, its definitions and boundaries have continued to vary over this period. At …

Developmental traumatology part I: Biological stress systems

MD De Bellis, AS Baum, B Birmaher, MS Keshavan… - Biological …, 1999 - Elsevier
Background: This investigation examined the relationship between trauma, psychiatric
symptoms and urinary free cortisol (UFC) and catecholamine (epinephrine [EPI], norepinephrine […

Schizophrenia,“just the facts” what we know in 2008. 2. Epidemiology and etiology

R Tandon, MS Keshavan, HA Nasrallah - Schizophrenia research, 2008 - Elsevier
Although we have studied schizophrenia as a major disease entity over the past century, its
causes and pathogenesis remain obscure. In this article, we critically review genetic and …

Sex differences in brain maturation during childhood and adolescence

MD De Bellis, MS Keshavan, SR Beers, J Hall… - Cerebral …, 2001 - academic.oup.com
Brain development during childhood and adolescence is characterized by both progressive
myelination and regressive pruning processes. However, sex differences in brain maturation …

Brain structures in pediatric maltreatment-related posttraumatic stress disorder: a sociodemographically matched study

MD De Bellis, MS Keshavan, H Shifflett, S Iyengar… - Biological …, 2002 - Elsevier
BACKGROUND: Previous investigations suggest that maltreated children evidence alterations
of chemical mediators of stress and adverse brain development. Previous anatomical …

Maturation of widely distributed brain function subserves cognitive development

…, EP Merriam, KE Garver, NJ Minshew, MS Keshavan… - Neuroimage, 2001 - Elsevier
Cognitive and brain maturational changes continue throughout late childhood and adolescence.
During this time, increasing cognitive control over behavior enhances the voluntary …

Hippocampal volume in adolescent-onset alcohol use disorders

…, J Hall, A Kersh, MS Keshavan - American Journal of …, 2000 - Am Psychiatric Assoc
OBJECTIVE: Alcohol use disorders (defined as DSM-IV alcohol dependence or abuse) are
prevalent and serious problems among adolescents. As adolescence is marked by …

Is schizophrenia due to excessive synaptic pruning in the prefrontal cortex? The Feinberg hypothesis revisited

MS Keshavan, S Anderson, JW Pettergrew - Journal of psychiatric research, 1994 - Elsevier
Several lines of evidence support the notion that a substantial reorganization of cortical
connections, involving a programmed synaptic pruning, takes place during adolescence in …

Identification of distinct psychosis biotypes using brain-based biomarkers

…, GD Pearlson, MS Keshavan… - American Journal of …, 2016 - Am Psychiatric Assoc
Objective: Clinical phenomenology remains the primary means for classifying psychoses
despite considerable evidence that this method incompletely captures biologically meaningful …