abstract：:A considerable proportion of chronic non-organic pain patients suffer from insomnia, and alpha sleep has been suggested to be specifically associated with fibromyalgia. However, the clinical significance of those symptoms is not clear. This study was carried out to investigate this question. Twenty-six middle-aged, no...

journal_title：Neuropsychobiology

authors： Schneider-Helmert D,Whitehouse I,Kumar A,Lijzenga C

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Abnormalities in different parameters of the norepinephrine system have been widely described in major depression. The presence of alpha(2)-adrenoreceptors in blood platelets, similar to those in the brain, prompted us to evaluate them in depressed patients, as compared with healthy controls. METHODS:Fiftee...

journal_title：Neuropsychobiology

authors： Marazziti D,Baroni S,Masala I,Di Nasso E,Giannaccini G,Betti L,Lucacchini A,Cassano GB

更新日期：2001-01-01 00:00:00

abstract：:Individuals differ in hypnotizability. Information on hypnotizability-related EEG characteristics is controversial and incomplete, particularly on intracerebral source localization and EEG dimensionality. 19-channel, eyes-closed resting EEGs from right-handed, healthy, 8 high- and 4 low-hynotizable subjects (age: 26.7...

journal_title：Neuropsychobiology

authors： Isotani T,Lehmann D,Pascual-Marqui RD,Kochi K,Wackermann J,Saito N,Yagyu T,Kinoshita T,Sasada K

更新日期：2001-01-01 00:00:00

abstract：:Marked hostility toward relatives, therapists and friends is very frequently observed in anorexia nervosa (AN) as expression of outward-directed aggressiveness which interferes with the therapeutic programs of the patients. With the purpose to investigate this aspect of the disorder and its biological background, we s...

journal_title：Neuropsychobiology

authors： Brambilla F,Bellodi L,Arancio C,Limonta D,Ferrari E,Solerte B

更新日期：2001-01-01 00:00:00

abstract：:In the search for differential mechanisms underlying clozapine's superior antipsychotic efficacy, the purinergic system has been considered, since an antagonist of the adenosine receptor A(2A) was shown to block clozapine acute effects on c-fos expression in rat striatum. Further investigating the interaction of cloza...

journal_title：Neuropsychobiology

authors： Lara DR,Vianna MR,de Paris F,Quevedo J,Oses JP,Battastini AM,Sarkis JJ,Souza DO

更新日期：2001-01-01 00:00:00

abstract：:Using event-related potentials (ERPs), a reduction in the auditory N100, N200 and P300 amplitude has been found in schizophrenic patients and may represent some pathophysiological deficit. Therefore, we investigated whether the genetic variant of the serotonin-2A receptor is associated with ERP change after clozapine ...

journal_title：Neuropsychobiology

authors： Yu YW,Tsai SJ,Yang KH,Lin CH,Chen MC,Hong CJ

更新日期：2001-01-01 00:00:00

abstract：:Angiotensin-converting enzyme (ACE) is a key enzyme in the renin-angiotensin system and can modulate dopamine turnover in the midbrain. Previous studies have revealed changes in the central ACE levels for schizophrenic patients, possibly related to the polydipsia commonly demonstrated for chronic schizophrenia. An ins...

journal_title：Neuropsychobiology

authors： Ouyang WC,Wang YC,Hong CJ,Cheng CY,Tsai SJ

更新日期：2001-01-01 00:00:00

abstract：:The effects of the dopaminergic agonists (L-dopa, pergolide) and antagonists (haloperidol, clozapin) and a cholinergic agonist (tacrine) and antagonist (mecamylamine) on the voluntary intake of nicotine were investigated with the 2-bottle paradigm with the test drugs being dissolved directly in the drinking fluid of t...

journal_title：Neuropsychobiology

authors： Kameda G,Dadmarz M,Vogel WH

更新日期：2000-01-01 00:00:00

abstract：:Motor impairments of psychiatric patients can be assessed with digital recordings of handwriting tasks. The investigation of patients with bipolar affective disorders differentiates intraindividual changes related to the patient's fluctuating affective states. An unmedicated 67-year-old male with 48-hour bipolar ultra...

journal_title：Neuropsychobiology

authors： Tigges P,Juckel G,Schröter A,Möller HJ,Hegerl U

更新日期：2000-01-01 00:00:00

abstract：:The popular recreational drug, (+/-)3, 4-methylenedioxymethamphetamine (MDMA; 'Ecstasy') is a potent and selective brain serotonin (5-HT) neurotoxin in animals. MDMA-induced 5-HT neurotoxicity can be demonstrated using a variety of neurochemical, neuroanatomical and, more recently, functional measures of 5-HT neurons....

journal_title：Neuropsychobiology

authors： Ricaurte GA,Yuan J,McCann UD

更新日期：2000-01-01 00:00:00

abstract：:We hypothesized that levels of N-acetyl-beta-glucosaminidase (NAG) would differ between patients making serious versus nonserious suicide attempts. The levels of NAG from 11 patients hospitalized for serious suicide attempts were compared to 5 patients whose suicide attempts were not rated serious. There was a signifi...

journal_title：Neuropsychobiology

authors： Garvey MJ,Underwood K

更新日期：2000-01-01 00:00:00

abstract：:Dopamine depletion induced by administration of Ro4-1284 produces a condition of rapid and repeated eye blinking in rats. This condition mimics the human disorder, blepharospasm, which often accompanies parkinsonism and other dopamine deficiency disorders. When given a 3-week course of a compound (SR-3) developed from...

journal_title：Neuropsychobiology

authors： Mostofsky DI,Yehuda S,Rabinovitz S,Carasso R

更新日期：2000-01-01 00:00:00

abstract：:Peripheral benzodiazepine receptors (PBR) have been identified in peripheral organs as well as in brain glial cells. PBR differ from central benzodiazepine receptors (CBR) in their lack of coupling to the gamma-aminobutyric acid receptors and the chloride ion channels. We investigated the effect of 21 days administrat...

journal_title：Neuropsychobiology

authors： Leschiner S,Weizman R,Shoukrun R,Veenman L,Gavish M

更新日期：2000-01-01 00:00:00

abstract：:The brain activity of 13 right-handed students (6 men and 7 women) was determined using high resolution (99m)Tc-HMPAO brain SPECT images during visuospatial tasks. The results showed that there was no significant gender-specific difference in solving the visuospatial tasks and that no meaningful statistical difference...

journal_title：Neuropsychobiology

authors： Unterrainer J,Wranek U,Staffen W,Gruber T,Ladurner G

更新日期：2000-01-01 00:00:00

abstract：:Clozapine is an effective atypical antipsychotic that has high affinity for many neurotransmitter receptors. Among the adverse effects of clozapine, urinary incontinence is commonly found and is suggested to be caused by alpha-adrenergic blockade. We tested the hypothesis that clozapine-induced urinary incontinence is...

journal_title：Neuropsychobiology

authors： Hsu JW,Wang YC,Lin CC,Bai YM,Chen JY,Chiu HJ,Tsai SJ,Hong CJ

更新日期：2000-01-01 00:00:00

abstract：:Possible age effects on binding of [(3)H]lysergic acid diethylamide ([(3)H]LSD) to serotonin 5-HT(2A) receptors and of [(3)H]paroxetine to serotonin uptake sites were studied in platelets from healthy children (11-12 years of age), adolescents (16-17 years of age) and adults. Significant overall age effects were found...

journal_title：Neuropsychobiology

authors： Sigurdh J,Spigset O,Allard P,Mjörndal T,Hägglöf B

更新日期：1999-11-01 00:00:00

abstract：:The influence of restraint stress on potential aluminum (Al)-induced behavioral changes was assessed in CD-1 mice. Three groups of adult mice were given 0, 300 and 600 mg Al/kg body weight per day in drinking water for 2 weeks. One-half of the animals in each group were concurrently subjected to restraint stress durin...

journal_title：Neuropsychobiology

authors： Colomina MT,Sanchez DJ,Sanchez-Turet M,Domingo JL

更新日期：1999-09-01 00:00:00

abstract：:Memory loss and severe cognitive deficits in Alzheimer patients are supposed to be related to a reduction of acetylcholine as well as to central nervous deactivation. For the investigation of cholinergic deficits and deactivation, we used computer-assisted pupillometry. Cholinergic deficits caused by a particularly se...

journal_title：Neuropsychobiology

authors： Grünberger J,Linzmayer L,Walter H,Rainer M,Masching A,Pezawas L,Saletu-Zyhlarz G,Stöhr H,Grünberger M

更新日期：1999-01-01 00:00:00

abstract：:The cerebrospinal fluid (CSF) concentrations of the monoamine metabolites 5-hydroxyindoleacetic acid (5-HIAA), homovanillic acid (HVA) and 3-methoxy-4-hydroxyphenylglycol (MHPG) as well as their ratios and correlations were analyzed in relation to the season of birth. The sample consisted of 241 drug-free patients par...

journal_title：Neuropsychobiology

authors： Chotai J,Asberg M

更新日期：1999-01-01 00:00:00

abstract：:Sleep apnea is the most common sleep-related breathing disorder characterized by repetitive episodes of hypoxemia. Therapies include behavioral, surgical, orthodontic, pneumological, and pharmacological interventions. The aim of the present study was to compare the efficiency of pneumological therapy by nasal continuo...

journal_title：Neuropsychobiology

authors： Saletu B,Oberndorfer S,Anderer P,Gruber G,Divos H,Lachner A,Mandl M,Parapatics S,Popp W,Saletu M,Saletu-Zyhlarz G,Sertl K,Strobl R,Tschida U,Winkler A

更新日期：1999-01-01 00:00:00

abstract：:Apomorphine, a dopamine receptor agonist (given in a dose of 0.75 mg s.c.), was administered to 8 healthy volunteers; electroencephalograph (EEG) and event-related potential (ERP) mapping were performed before dosing and 0.5, 1.5 and 2.5 h after dosing. Apomorphine caused an overall increase in beta activity at time 0...

journal_title：Neuropsychobiology

authors： Luthringer R,Rinaudo G,Toussaint M,Bailey P,Muller G,Muzet A,Macher J

更新日期：1999-01-01 00:00:00

abstract：:A common polymorphism in the alpha1-antichymotrypsin (ACT) gene is associated with Alzheimer's disease. ACT is also a trophic factor in the hippocampal neurons. In order to examine if the ACT gene plays a role in the pathogenesis of schizophrenic disorders, patients (n = 175) and control subjects (n = 114) were genoty...

journal_title：Neuropsychobiology

authors： Chiu HJ,Hong CJ,Chen JY,Wang YC,Lin CY,Bai YM,Song HL,Lai HC,Tsai SJ

更新日期：1999-01-01 00:00:00

abstract：:The genotypes of the CYP2E1 loci of 35 alcoholic and 130 nonalcoholic (healthy controls) Japanese were investigated to determine the relationship between CYP2E1 (C/D) polymorphism and susceptibility to alcohol dependence. There was a significant (d.f. = 1, chi2 = 11.0, p < 0.001) difference in the CYP2E1 C gene freque...

journal_title：Neuropsychobiology

authors： Iwahashi K,Ameno S,Ameno K,Okada N,Kinoshita H,Sakae Y,Nakamura K,Watanabe M,Ijiri I,Harada S

更新日期：1998-11-01 00:00:00

abstract：:Actions of the new antiepileptic drug lamotrigine (LTG) were characterized using extracellular and whole cell patch clamp recordings from rat CA1 and CA3 pyramidal cells in vitro. The results suggest that LTG, beside its previously described effect on the fast sodium inward current, also modulates - presumably voltage...

journal_title：Neuropsychobiology

authors： Grunze H,von Wegerer J,Greene RW,Walden J

更新日期：1998-10-01 00:00:00

abstract：:The new anticonvulsant, lamotrigine, is becoming an important tool in the treatment of bipolar disorder, including bipolar depression. Its efficacy in bipolar depression might be linked to its inhibition of serotonin uptake. We present the case of a female schizoaffective patient successfully treated with 400 mg of la...

journal_title：Neuropsychobiology

authors： Erfurth A,Amann B,Grunze H

更新日期：1998-10-01 00:00:00

abstract：:Despite being the most widely consumed psychoactive substance in the world, there is considerable confusion regarding the effects of caffeine. This study examined objective indices of performance, and self-reported mood, headache, and sleep in 36 healthy male and female habitual caffeine consumers exposed to a pattern...

journal_title：Neuropsychobiology

authors： James JE

更新日期：1998-01-01 00:00:00

abstract：:In obstructive sleep apnea patients, who intermittently stop breathing at night for some seconds, functions of vigilance and attention seem to be impaired. The aim of our study was to investigate if nocturnal hypoxia as one possible detrimental factor is associated with the degree of modality shift effect expressing a...

journal_title：Neuropsychobiology

authors： Gresele C,Hein H,Eggert F

更新日期：1998-01-01 00:00:00

abstract：:In this study, we examined the effect of the 5-HT2A,C receptor agonist (+/-)-1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) on locomotor activity and the head twitch response in rats by the repeated (twice daily for 4 days) subcutaneous administration of 0.9% saline (1 ml/kg) or (+/-)-3,4-Methylenedioxymethamphet...

journal_title：Neuropsychobiology

authors： Granoff MI,Ashby CR Jr

更新日期：1998-01-01 00:00:00

abstract：:Platelet 5-HT and plasma cortisol concentrations were determined in 59 schizophrenic patients with different time course of illness before and after dexamethasone suppression test (DST). An abnormal DST (nonsuppression) was observed in 51% of patients. In these patients basal cortisol and platelet 5-HT concentrations ...

journal_title：Neuropsychobiology

authors： Jakovljević M,Mück-Seler D,Pivac N,Crncević Z

更新日期：1998-01-01 00:00:00

abstract：:Acute quantitative electroencephalographic effects of cigarette smoking were examined in 15 smokers within a repeated-measures design which assessed changes in power-spectral estimates following acute pre-treatment with placebo, a dose (20 mg) of mecamylamine, a dose (0.6 mg) of scopolamine and a combined dose of meca...

journal_title：Neuropsychobiology

authors： Knott VJ,Harr A,Ilivitsky V,Mahoney C

更新日期：1998-01-01 00:00:00

abstract：:The efficacy and safety of tianeptine were compared, in the course of a multicentre randomised, double-blind, parallel group study, to those of placebo in the treatment of Major Depressions and Bipolar Disorder, Depressed with or without melancholia, without psychotic features. After a 1-week run-in placebo period, 12...

journal_title：Neuropsychobiology

authors： Costa e Silva JA,Ruschel SI,Caetano D,Rocha FL,da Silva Lippi JR,Arruda S,Ozun M

更新日期：1997-01-01 00:00:00

abstract：:Early N1P2 and late N2P3 responses generated in an auditory oddball paradigm are topographically compared in three psychiatric patient groups. In schizophrenia N1 and N2 amplitude is comparable with dementia and significantly decreased with respect to affective disorder. In contrast, P3 amplitude does not allow discri...

journal_title：Neuropsychobiology

authors： Van Sweden B,Van Erp MG,Mesotten F

更新日期：1997-01-01 00:00:00

abstract：:Administration of progesterone produces sleep EEG patterns that resemble those of agonistic modulators at the GABAA receptor. Previous studies evaluating the effects of an oral progesterone administration on attention performance in females pointed to putative sedative effects of progesterone at high dosages. However,...

journal_title：Neuropsychobiology

authors： Grön G,Friess E,Herpers M,Rupprecht R

更新日期：1997-01-01 00:00:00

abstract：:Twenty-seven medicated chronic schizophrenic female patients were tested for right or left turning behavior. No substantial right or left asymmetry was found, nor did the addition of the indirect dopaminergic agonist amantadine influence these results. Previous studies demonstrated left circling preference in chronic ...

journal_title：Neuropsychobiology

authors： Levine J,Martine T,Feraro R,Kimhi R,Bracha HS

更新日期：1997-01-01 00:00:00

abstract：:During the last few years, the working group 'Psychophysiology' of the Association for Methodology and Documentation in Psychiatry (AMDP) discussed the possibility of the establishment of defined EEG modules in psychiatry. It was the aim to create a common data pool in order to be able to have access to larger data se...

journal_title：Neuropsychobiology

authors： Winterer G,Dorn H,Herrmann WM,Gallhofer B,Bauer U,Hegerl U,Ihl R,Dierks T,Maurer K

更新日期：1997-01-01 00:00:00

abstract：:We report 3 patients who experienced nonconvulsive status epilepticus following generalized convulsions during antidepressant treatment. All showed prolonged confusion with some psychiatric symptoms, and their electroencephalograms (EEGs) showed either bilateral synchronous multiple spike wave discharges or continuous...

journal_title：Neuropsychobiology

authors： Yoshino A,Watanabe M,Shimizu K,Goto T,Ichinowatari N,Yoshimasu H,Masaki K,Aoyama T,Hara T

更新日期：1997-01-01 00:00:00

abstract：:REM sleep behavior disorder (RBD) is so far a possibly underestimated yet well-described sleep disorder. Its major impact is the vigorous sleep behavior that often results in injuries to the patient himself or to people sleeping nearby. We treated a 64-year-old male with a clinically and polysomnographically confirmed...

journal_title：Neuropsychobiology

authors： Kunz D,Bes F

更新日期：1997-01-01 00:00:00

abstract：:The effects of two benzodiazepines (alprazolam and bromazepam) on performance and event-related brain potentials (ERPs) in visual search and verbal recognition memory paradigms were tested in a placebo-controlled double-blind paradigm employing 12 young healthy subjects. Both drugs exerted similar effects on performan...

journal_title：Neuropsychobiology

authors： Münte TF,Gehde E,Johannes S,Seewald M,Heinze HJ

更新日期：1996-01-01 00:00:00

abstract：:The soporific effect of the neuroactive steroid pregnanolone, a metabolite of progesterone, and its relationship with plasma concentrations was assessed in 18 young, healthy, male volunteers for 2 h after administration of a single dose of pregnanolone prepared in two different formulations. Sedation was measured as s...

journal_title：Neuropsychobiology

authors： Schulz H,Jobert M,Gee KW,Ashbrook DW

更新日期：1996-01-01 00:00:00

abstract：:An association between negative symptoms and frontal cortex abnormalities has been suggested in schizophrenic patients. We tested whether this association can be found when patients' task performance is good and while controlling for possible cortical atrophy. We investigated regional cerebral blood flow with the xeno...

journal_title：Neuropsychobiology

authors： Zemishlany Z,Alexander GE,Prohovnik I,Goldman RG,Mukherjee S,Sackeim H

更新日期：1996-01-01 00:00:00