[PDF][PDF] Regional cerebral blood flow and negative/positive symptoms in 24 drug-naive schizophrenics

O Sabri, R Erkwoh, M Schreckenberger… - Journal of Nuclear …, 1997 - Soc Nuclear Med
METhODS Patients This study was performed using a protocol approved by the local ethics
committee. Schizophrenic patients meeting the criteria for the Diagnostic and Statistical …

Psychopathological and SPECT findings in never‐treated schizophrenia

R Erkwoh, O Sabri, EM Steinmeyer… - Acta Psychiatrica …, 1997 - Wiley Online Library
A total of 24 never‐treated (ie drug‐naive) actively psychotic schizophrenic patients,
operationalized according to DSM‐III‐R, were examined in a pre‐post‐treatment design …

Prefrontal and temporal blood flow in schizophrenia: resting and activation technetium-99m-HMPAO SPECT patterns in young neuroleptic-naive patients with acute …

AM Catafau, E Parellada, FJ Lomeña… - Journal of nuclear …, 1994 - europepmc.org
Methods A selected population of 10 young, never-treated schizophrenic women with acute
disease was studied by two hexamethylpropyleneamine oxime (HMPAO) brain SPECT …

Active and remitted schizophrenia: psychopathological and regional cerebral blood flow findings

R Erkwoh, O Sabri, K Willmes, EM Steinmeyer… - Psychiatry Research …, 1999 - Elsevier
Single photon emission computed tomography with technetium-99m-d, l-
hexamethylpropyleneamine oxime (99mTc-HMPAO) was used to assess regional cerebral …

Regional cerebral blood flow in deficit/nondeficit types of schizophrenia according to SDS criteria

G Vaiva, O Cottencin, PM Llorca, P Devos… - Progress in Neuro …, 2002 - Elsevier
A relationship between “hypofrontality” and a negative form of schizophrenia is commonly
found. The Schedule for the Deficit Syndrome (SDS) provides specific criteria for assessing …

Positive and negative symptoms and regional cerebral perfusion in antipsychotic-naive schizophrenic patients: a high-resolution SPECT study

SK Min, SK An, DI Jon, JD Lee - Psychiatry Research: Neuroimaging, 1999 - Elsevier
In 17 antipsychotic-naive schizophrenic patients, the scores of positive and negative
symptoms of schizophrenia were correlated with relative regional cerebral perfusion …

Regional cerebral blood flow in late-onset schizophrenia: a SPECT study using 99mTc-HMPAO

P Sachdev, H Brodaty, N Rose, W Haindle - Schizophrenia research, 1997 - Elsevier
Functional neuroimaging studies have been performed in many young patients with
schizophrenia, but late-onset schizophrenia (LOS) remains largely unexamined by these …

Clinical symptoms and regional cerebral blood flow in schizophrenia

S Yuasa, M Kurachi, M Suzuki, Y Kadono… - European archives of …, 1995 - Springer
This study examined the relationship between clinical symptoms and regional cerebral
blood flow (rCBF) in schizophrenic patients using single photon emission computed …

Cerebral perfusion correlates of negative symptomatology and parkinsonism in a sample of treatment-refractory schizophrenics: an exploratory 99mTc-HMPAO SPET …

VM Rodríguez, RM Andrée, MJP Castejón… - Schizophrenia …, 1997 - Elsevier
There is a well recognized clinical overlap between primary and secondary neuroleptic
negative symptoms in schizophrenia, but their cerebral substrates are probably different …

High-resolution SPECT study of regional cerebral blood flow in drug-free and drug-naive schizophrenic patients.

A Vita, S Bressi, D Perani, G Invernizzi… - The American journal …, 1995 - europepmc.org
Objective The purpose of the study was to compare regional cerebral blood flow (CBF) in
schizophrenic patients never treated with psychotropic drugs (drug-naive) and in …