Abstract：
:A sample of 100 consecutively admitted cases were recruited to test the hypothesis that an abnormal dexamethasone suppression test (AbDST) is associated with decreasing clinical severity during the course of hospitalization in various diagnostic categories. Serial DSTs and psychopathological ratings were done at the end of the first and the third week postadmission, and 1 week before discharge. DST was also done at 1-year follow-up after discharge. The results of this study strongly suggest that a dual mechanism is responsible for the prevalence of AbDST. One is related to the global psychopathology of a nonspecific quantitative mechanism in various diagnostic categories. The other is a specific qualitative mechanism relating to the depressive state, as reflected in the higher prevalence of AbDST and more consistent AbDST results across different study time points in melancholia, and also in higher AbDST rates in disorders with higher depressive scores.
journal_name
Biol Psychiatryjournal_title
Biological psychiatryauthors
Hwu HG,Lin HNdoi
10.1016/0006-3223(90)90528-asubject
Has Abstractpub_date
1990-03-15 00:00:00pages
609-16issue
6eissn
0006-3223issn
1873-2402pii
0006-3223(90)90528-Ajournal_volume
27pub_type
杂志文章abstract：:The regional distribution of iron, copper, zinc, magnesium, and calcium in postmortem brain of schizophrenic patients was compared with that of matched controls. In none of the brain regions investigated (caudate nucleus, hippocampus, amygdala, cortex, corpus mamillare, gyrus cinguli, and hypothalamus) were significan...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(94)90059-0
更新日期：1994-07-01 00:00:00
abstract：:Although much is now known about the neural basis of fear acquisition, the mechanisms of fear inhibition or suppression remain largely obscure. Fear inhibition is studied in the laboratory through the use of an extinction procedure, in which an animal (typically a rat) is exposed to nonreinforced presentations of a co...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/s0006-3223(02)01507-x
更新日期：2002-11-15 00:00:00
abstract：BACKGROUND:The search for susceptibility genes in autism and autism spectrum disorders (ASD) has been hindered by the possible small effects of individual genes and by genetic (locus) heterogeneity. To overcome these obstacles, one method is to use autism-related subphenotypes instead of the categorical diagnosis of au...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2008.05.023
更新日期：2008-10-01 00:00:00
abstract：BACKGROUND:Alcohol and tobacco dependence are highly comorbid disorders, with preclinical evidence suggesting a role for nicotinic acetylcholine receptors (nAChRs) in alcohol consumption. Varenicline, a partial nicotinic agonist with high affinity for the alpha4beta2 nAChR receptor, reduced ethanol intake in rodents. W...
journal_title：Biological psychiatry
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.biopsych.2009.01.029
更新日期：2009-07-15 00:00:00
abstract：BACKGROUND:Substantial evidence indicates that alcoholism is biologically mediated by a genetic predisposition. As the decreased P300 (P3b) event-related brain potential component does not recover with prolonged abstinence, it is unlikely to be related to drinking history but is more likely to be genetically influenced...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(00)01049-0
更新日期：2001-04-15 00:00:00
abstract：:Plasma norepinephrine (NE), free 3-methoxy-4-hydroxyphenethylene glycol (MHPG), and binding of tritiated yohimbine to platelet membranes were measured in 14 patients with generalized anxiety disorder (GAD), who were matched for age and sex with 14 patients with unipolar major depressive disorder (MDD) and 14 normal su...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(89)90158-3
更新日期：1989-01-15 00:00:00
abstract：:We investigated the computerized electroencephalography (cEEG) in a group of 85 normal adolescents. The spatial frequency of the cEEG was analyzed using various multivariate statistical techniques. The factor analyses revealed three factors that accounted for most of the variability in the data and that could be inter...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(87)90231-9
更新日期：1987-02-01 00:00:00
abstract：BACKGROUND:Emotional vulnerabilities at the core of borderline personality disorder (BPD) involve a dysfunction of frontolimbic systems subserving negative emotionality. The specific regions identified in individual studies, however, vary widely and provide an incomplete understanding of the functional brain abnormalit...
journal_title：Biological psychiatry
pub_type： 杂志文章,meta分析
doi：10.1016/j.biopsych.2012.07.014
更新日期：2013-01-15 00:00:00
abstract：:Hypothalamic-pituitary-adrenal (HPA) axis disturbances in depressed children with a history of abuse were examined. Thirteen depressed abused, 13 depressed nonabused, and 13 normal control children were given 1.0 microgram/kg of human corticotropin-releasing hormone (CRH) intravenously. Blood samples for corticotropin...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(96)00470-2
更新日期：1997-10-15 00:00:00
abstract：BACKGROUND:Thalamic abnormalities resulting in impaired attention and information processing may form a foundation for cognitive and perceptual disturbances in schizophrenia. Measurements of the thalamus in patients with schizophrenia have shown reductions relative to normal comparison subjects. METHODS:In the current...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(97)00459-9
更新日期：1999-05-15 00:00:00
abstract：BACKGROUND:Immune signaling pathways influence neurodevelopment and are hypothesized to contribute to the etiology of autism spectrum disorder (ASD). We aimed to assess risk of ASD in relation to levels of neonatal acute phase proteins (APPs), key components of innate immune function, measured in neonatal dried blood s...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2020.09.005
更新日期：2020-09-10 00:00:00
abstract：BACKGROUND:Disruptions of emotional information processing (i.e., attention to, memory for, and interpretation of emotional information) have been implicated in the onset and maintenance of depression. The research presented here investigated cognitive and psychophysiological features of a particularly promising correl...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(00)01024-6
更新日期：2001-04-01 00:00:00
abstract：:The ability of beta-adrenergic receptors to adapt to reductions in stimulation might be impaired in depressed or schizophrenic patients. To test this hypothesis 12 normal controls, 12 depressed patients resistant to tricyclic antidepressants, and 8 chronic schizophrenic patients were treated with propranolol 160 mg/da...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1983-05-01 00:00:00
abstract：BACKGROUND:Obsessive-compulsive disorder (OCD) is a common and severe psychiatric illness that affects 1-3% of the population and presents a well-established co-morbidity with major depressive disorder (MDD). Twin and family studies have suggested a genetic component in the etiology of OCD, although the mode of inherit...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(98)00319-9
更新日期：1999-05-01 00:00:00
abstract：BACKGROUND:Effects of the hypothalamic-pituitary-adrenal (HPA) axis on central dopaminergic systems have been proposed to underlie the development of psychotic symptoms in depression. This study examined HPA axis hormone effects on plasma levels of homovanillic acid (HVA), the dopamine metabolite, in healthy volunteers...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0006-3223(97)00550-7
更新日期：1999-01-15 00:00:00
abstract：BACKGROUND:The uncompetitive N-methyl-D-aspartate receptor (NMDAR) antagonist, ketamine, induces a range of symptoms resembling those seen in schizophrenia. Enhancement of nicotinic acetylcholine receptor (nAChR) function may have potential as a treatment for the cognitive deficits and negative symptoms of schizophreni...
journal_title：Biological psychiatry
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.biopsych.2012.05.009
更新日期：2012-11-01 00:00:00
abstract：BACKGROUND:Traumatic experience can result in life-long changes in the ability to cope with future stressors and emotionally salient events. These experiences, particularly during early development, are a significant risk factor for later life anxiety disorders such as posttraumatic stress disorder (PTSD). However, bec...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2013.10.007
更新日期：2014-08-15 00:00:00
abstract：:Sixty psychiatrically depressed patients (female = 39, male = 21), classified as psychotic or neurotic, were neuropsychologically assessed on an expanded Halstead-Reitan battery before antidepressant medication. Extant normative data from a large control group (N = 142) were employed for comparative purposes. Statisti...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1984-01-01 00:00:00
abstract：:There is indirect evidence that smoking induces higher enzymatic activity which accelerates the metabolism of many drugs. This influence is inferred from the frequency and magnitude of drug side effects. We could demonstrate that smokers need higher doses of neuroleptic drugs than nonsmokers. ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1984-08-01 00:00:00
abstract：:Platelet MAO activity in schizophrenics was significantly decreased, by about 15%, after 3 weeks of treatment with haloperidol. Treatment with thioridazine or butaperazine also tended to decrease platelet MAO activity. The neuroleptic-induced decrease began to appear within a few days of treatment and did not show tol...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1982-08-01 00:00:00
abstract：:The effect of oral contraceptive use and hospitalization stress on the results of the dexamethasone suppression test (DST) were assessed. This test, in which 1 mg dexamethasone is given at 11:00 p.m., and blood cortisol is analyzed the following day, is used as an indicator or major or endogenous depression, as oppos...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(87)90113-2
更新日期：1987-12-01 00:00:00
abstract：:A broad definition of sensory gating refers to the ability of the brain to modulate its sensitivity to incoming sensory stimuli. This definition allows the concept of gating to include both the capacities to minimize or stop responding to incoming irrelevant stimuli (gating out) and to respond when a novel stimulus is...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(98)00253-4
更新日期：1999-04-01 00:00:00
abstract：:Earlier studies on platelet serotonin uptake in schizophrenia have given equivocal results. In this study, platelet serotonin uptake in diluted plasma was assessed in 23 drug-free and 19 neuroleptic-treated schizophrenics, compared to 70 controls. The maximal uptake rate, Vmax, was slightly but significantly lower in ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：
更新日期：1983-12-01 00:00:00
abstract：:Cerebrospinal fluid (CSF) concentrations of the serotonin and dopamine metabolites, 5-hydroxyindoleacetic acid (5HIAA) and homovanillic acid (HVA), respectively, were measured in a group of 17 children with Autistic Disorder (DSM-III-R). The group means observed for 5HIAA (135 +/- 91 nmol/L) and HVA (502 +/- 324 nmol/...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(93)90102-j
更新日期：1993-04-15 00:00:00
abstract：BACKGROUND:The schizophrenia-associated BRD1 gene encodes a transcriptional regulator whose comprehensive chromatin interactome is enriched with schizophrenia risk genes. However, the biology underlying the disease association of BRD1 remains speculative. METHODS:This study assessed the transcriptional drive of a schi...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.biopsych.2016.08.037
更新日期：2017-07-01 00:00:00
abstract：BACKGROUND:The demands of the Wisconsin Card Sorting Test (WCST) change with experience. This report contains two studies designed to examine N-methyl-D-aspartate (NMDA) receptor contributions to the executive components of WCST performance. These aspects of WCST performance figure more prominently in the initial compl...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/s0006-3223(99)00097-9
更新日期：2000-01-15 00:00:00
abstract：:The concentration of kynurenine, a neuroactive tryptophan metabolite, in blood plasma after pharmacologically induced anxiety was studied. Anxiety was provoked in 15 healthy volunteers by an anxiogenic dose of caffeine. Kynurenine concentration was markedly increased at the peak of anxiety and returned to normal after...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(91)90225-b
更新日期：1991-02-15 00:00:00
abstract：:Previous neuroimaging research has contributed insights regarding the neural substrates of specific psychiatric disorders. The purpose of this study was to determine the shared mediating neuroanatomy of anxiety symptoms across three different anxiety disorders. Data were pooled from 23 right-handed adult outpatients m...
journal_title：Biological psychiatry
pub_type： 临床试验,杂志文章
doi：10.1016/S0006-3223(97)00145-5
更新日期：1997-09-15 00:00:00
abstract：:Acetylcholinesterase (AChE) from erythrocytes was solubilized by Triton X-100. Size and charge heterogeneity of AChE was investigated by polyacrylamide gel electrophoresis (PAGE) and isoelectric focusing (IEF) in polyacrylamide gels in the presence of 0.5% (v/v) Triton X-100. There were no interindividual differences ...
journal_title：Biological psychiatry
pub_type： 杂志文章
doi：10.1016/0006-3223(87)90052-7
更新日期：1987-09-01 00:00:00
abstract：:Schizophrenia is a complex illness with multiple pathophysiologic factors that contribute to its psychopathology. One strategy to identify these factors is to observe them in isolation from each other, by characterizing their expression in the relatives of schizophrenic probands. By Mendel's second law, each genetic f...
journal_title：Biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/s0006-3223(99)00272-3
更新日期：2000-02-01 00:00:00
