Read by QxMD icon Read


Yasunori Aoki, Hiroaki Kazui, Roberto D Pascal-Marqui, Ryouhei Ishii, Kenji Yoshiyama, Hideki Kanemoto, Yukiko Suzuki, Shunsuke Sato, Masahiro Hata, Leonides Canuet, Masao Iwase, Manabu Ikeda
BACKGROUND: Dementia with Lewy bodies (DLB) is characterized by progressive cognitive decline, fluctuating cognition, visual hallucinations, rapid eye movement sleep behavior disorder, and parkinsonism. DLB is the second most common type of degenerative dementia of all dementia cases. However, DLB, particularly in the early stage, is underdiagnosed and sometimes misdiagnosed with other types of dementia. Thus, it is of great interest investigating neurophysiological markers of DLB. METHOD: We introduced exact low-resolution brain electromagnetic tomography (eLORETA)-independent component analysis (ICA) to assess activities of 5 electroencephalography (EEG) resting-state networks (RSNs) in 41 drug-free DLB patients...
January 17, 2019: Neuropsychobiology
Shunichiro Ikeda, Ryouhei Ishii, Roberto D Pascual-Marqui, Leonides Canuet, Masafumi Yoshimura, Keiichiro Nishida, Yuichi Kitaura, Koji Katsura, Toshihiko Kinoshita
OBJECTIVES: eLORETA (exact low-resolution brain electromagnetic tomography) is a technique created by Pascual-Marqui et al. [Int J Psychophysiol. 1994 Oct; 18(1): 49-65] for the 3-dimensional representation of current source density in the brain by electroencephalography (EEG) data. Kurtosis analysis allows for the identification of spiky activity in the brain. In this study, we focused on the evaluation of the reliability of eLORETA kurtosis analysis. For this purpose, the results of eLORETA kurtosis source localization of paroxysmal activity in EEG were compared with those of eLORETA current source density (CSD) analysis of EEG data in 3 epilepsy patients with partial seizures...
January 9, 2019: Neuropsychobiology
Mir Hilal Ahmad, Mahino Fatima, Amal Chandra Mondal
Alzheimer's disease (AD), the commonest progressive neurodegenerative disorder of the brain, is clinically characterized by the formation of extracellular amyloid plaques and intracellular neurofibrillary tangles. Recent studies suggest a relationship between the endocrinal dysregulation and the neuronal loss during the AD pathology. Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis and hypothalamic-pituitary-gonadal (HPG) axis regulating circulating levels of glucocorticoid hormones has been implicated in the pathophysiology of AD...
January 3, 2019: Neuropsychobiology
Amirreza Monsef, Siamak Shahidi, Alireza Komaki
Diabetes mellitus can induce impairment in learning and memory. Cognitive and memory deficits are common in older adults and especially in those with diabetes. This is mainly because of hyperglycemia, oxidative stress, and vascular abnormalities. Coenzyme Q10 (CoQ10) can decrease oxidative stress, hyperglycemia, and inflammatory markers, and improve vascular function. Therefore, the aim of the present study was to investigate the possible effects of CoQ10 on cognitive function, learning, and memory in middle-aged healthy and diabetic rats...
December 21, 2018: Neuropsychobiology
Tomohiko Shiina, Ryotaro Takashima, Roberto D Pascual-Marqui, Keisuke Suzuki, Yuka Watanabe, Koichi Hirata
BACKGROUND: Photophobia is a common feature of migraine, which may involve abnormal cortical information processing. In electroencephalograms (EEG), photic driving is known as a reaction to visual stimulation. Both photophobia and photic driving response are present during light stimulation. We hypothesized that cortical response to photic stimulation would differ between migraine patients with and without aura. METHODS: We recruited 50 migraine patients (migraine with aura [MWA] = 21; migraine without aura [MWOA] = 29)...
December 13, 2018: Neuropsychobiology
Filippo Corponi, Chiara Fabbri, Giuseppe Boriani, Igor Diemberger, Diego Albani, Gianluigi Forloni, Alessandro Serretti
Several antipsychotics and antidepressants have been associated with electrocardiogram alterations, the most clinically relevant of which is the heart rate-corrected QT interval (QTc) prolongation, a risk factor for sudden cardiac death. Genetic variants influence drug-induced QTc prolongation and can provide valuable information for precision medicine. The effect of genetic variants on QTc prolongation as well as the possible interaction between polymorphisms and risk medications in determining QTc prolongation were investigated...
December 13, 2018: Neuropsychobiology
Omran Davarinejad, Koorosh Hendesi, Hassan Shahi, Serge Brand, Habibollah Khazaie
OBJECTIVE: For patients with treatment-resistant schizophrenia (TRS) who do not respond to drug therapy, electroconvulsive therapy (ECT) is often employed as an additional treatment. The aims of the present study were to investigate to what extent an 8-day daily ECT treatment might reduce symptoms of schizophrenia among patients with TRS both in the short term (end of the treatment) and medium term, that is 4 and 12 weeks after the treatment. METHODS: Fourteen patients with TRS based on DSM-5 criteria took part in the present study...
November 21, 2018: Neuropsychobiology
Lynn Peters, Michael Soyka
OBJECTIVE: A growing number of studies indicate increased impulsivity in patients with opioid dependence (OD). However, few studies exclude concomitant drug use and consider depression as a comorbidity, both of which can bias results. AIM: We aimed to compare impulsivity in patients with OD enrolled in maintenance therapy (ICD code F11.22) and well-matched healthy controls taking psychopathological impairments into account. Furthermore, we compared the result to risky behavioral patterns in patients...
November 19, 2018: Neuropsychobiology
Maxime Tréhout, Norbert Zhang, Marie Blouet, Alin Borha, Sonia Dollfus
INTRODUCTION: Dandy-Walker malformation is a rare congenital malformation involving cystic dilatation of the fourth ventricle, enlarged posterior fossa, complete or partial agenesis of the cerebellar vermis, elevated tentorium cerebelli, and hydrocephalus. Previous research highlighted a possible role for the cerebellum in schizophrenia as well as the contribution of underlying brain malformations to treatment resistance. Here, we present a case of a Dandy-Walker malformation-like condition revealed by a refractory schizophrenia in a 24-year-old male patient...
November 16, 2018: Neuropsychobiology
Monique Aucoin, Laura LaChance, Kieran Cooley, Sean Kidd
INTRODUCTION: Schizophrenia spectrum disorders (SSD) represent a cluster of severe mental illnesses. Diet has been identified as a modifiable risk factor and opportunity for intervention in many physical illnesses and more recently in mental illnesses such as unipolar depression; however, no dietary guidelines exist for patients with SSD. OBJECTIVE: This review sought to systematically scope the existing literature in order to identify nutritional interventions for the prevention or treatment of mental health symptoms in SSD as well as gaps and opportunities for further research...
October 25, 2018: Neuropsychobiology
Ewa Ferensztajn-Rochowiak, Mariusz Kaczmarek, Marlena Wójcicka, Elzbieta Kaufman-Szukalska, Sebastian Dziuda, Agnieszka Remlinger-Molenda, Agnieszka Szeliga-Neymann, Jacek Losy, Janusz K Rybakowski
AIMS: The aim of this study was to evaluate serum levels of the antineuronal antibodies anti-N-methyl-D-aspartate receptor (NMDAR) and anti-glutamic acid decarboxylase (GAD), and insulin-like growth factor 1 (IGF-1), in patients with bipolar disorder (BD), during manic and depressive episodes and in remission compared to euthymic patients receiving long-term lithium therapy. METHODS: Serum levels of anti-NMDAR and anti-GAD 450/620 antibodies, as well as IGF-1, were measured using the ELISA method in 19 manic and 17 depressed patients both in an acute episode and in remission after the episode...
2019: Neuropsychobiology
Keliang Chen, Lin Huang, Biying Lin, Yan Zhou, Qianhua Zhao, Qihao Guo
OBJECTS: Different variations of the Stroop Color-Word Test (SCWT) exist and the tests differ in the number of items on each test card. The optimal number of items per card of the SCWT is unclear. METHODS: A comprehensive neuropsychological battery including the SCWT was administered to 237 cognitively normal controls (NC), 221 patients with mild cognitive impairment (MCI), and 160 patients with Alzheimer's disease (AD). We compared the accuracy for different items of card C (SCWT-C10accuracy, SCWT-C24accuracy, and SCWT-C50accuracy) in distinguishing patients with MCI and AD from NC...
2019: Neuropsychobiology
Daiki Takekawa, Tetsuya Kushikata, Masahiro Akaishi, Yoshikazu Nikaido, Kazuyoshi Hirota
BACKGROUND: The orexinergic (OXergic) system contributes to the defense system. It has also been reported that the degeneration of OXergic neurons occurs during sepsis. Thus, the decline of OXergic activity may contribute to impairment of the defense system in sepsis. In this study, we determined whether: (i) lipopolysaccharide (LPS) reduces the brain orexin A (OXA) content and (ii) the OXergic system contributes to survival from sepsis in rats. METHODS: With approval of our protocol by our University Animal Ethics Committee, OX neuron-ablated (OX/ataxin-3 transgenic [OX/AT3 TG]) and wild-type Sprague-Dawley rats, weighing 250-350 g, were used...
2019: Neuropsychobiology
Qi-He Dai, Dao-Kai Gong
OBJECTIVE: To investigate whether the polymorphisms and plasma level of chitinase-3-like protein 1 (CHI3L1) are associated with Alzheimer's disease (AD) in the Chinese Han population. METHODS: A total of 166 patients who were initially diagnosed with AD were enrolled as the case group, and 184 healthy subjects were recruited as the healthy controls. TaqMan® SNP genotyping assays were applied for the genotyping of rs4950928, rs10399931 and rs6691378. The plasma level of CHI3L1 was determined by enzyme-linked immunosorbent assay...
2019: Neuropsychobiology
Laura Kranaster, Carolin Hoyer, Suna S Aksay, J Malte Bumb, Norbert Müller, Peter Zill, Markus J Schwarz, Natalie Moll, Beat Lutz, Laura Bindila, Inga Zerr, Matthias Schmitz, Kaj Blennow, Henrik Zetterberg, Dieter Haffner, Maren Leifheit-Nestler, Cagakan Ozbalci, Christoph Janke, Manfred Thiel, Alexander Sartorius
BACKGROUND: No candidate biomarkers based on cerebrospinal fluid (CSF) have been identified as prognostic factors in patients with major depression treated with electroconvulsive therapy (ECT), yet. METHOD: Following different underlying hypotheses, we analysed baseline CSF levels of markers of neurodegeneration (tau proteins, β-amyloids and neurogranin), elements of the innate immune system (interleukin [IL]-6, neopterin, soluble CD14, soluble CD163, migration inhibitory factor and monocyte chemotactic protein 1), endocannabinoids, sphingolipids and Klotho before ECT in patients with depression (n = 12) to identify possible correlations with the clinical antidepressant response to ECT...
2019: Neuropsychobiology
Vincenzo De Luca, Gianfranco Spalletta, Renan P Souza, Ariel Graff, Luciana Bastos-Rodrigues, Maria Aparecida Camargos Bicalho
BACKGROUND/OBJECTIVES: This study aims to investigate the role of apolipoprotein E (APOE) e4 influencing the age at onset (AAO) of Alzheimer's disease (AD). In AD, the AAO of dementia varies from 40 to 90 years. Usually, AD patients who develop symptoms before the age of 65 are considered as early-onset AD (EOAD). However, considering the heterogeneity of the AD onset, the definition of late-onset AD (LOAD) cannot rely on an arbitrary cut-off. Thus, we aim to validate the anticipation effect of the APOE e4 allele in LOAD...
2019: Neuropsychobiology
Penelope M Sheehan, Chad Bousman, Angela Komiti, Fiona Judd, Louise Newman, Bruce Tonge, David Castle, Ian Everall
INTRODUCTION: The aim of this study was to expand on this field of work by examining, within a cohort of pregnant women with diagnosed clinical anxiety, the mRNA expression of a panel of genes associated with the cortisol pathway and comparing them to controls. METHODS: Placental samples were obtained from 24 pregnant women, 12 with a diagnosed anxiety disorder and 12 with no psychiatric history, within 30 min of delivery. Differential expression analysis of 85 genes known to be involved in glucocorticoid synthesis, metabolism or signalling was conducted for the: (1) full sample, (2) those at term without labour (5 cases, 7 controls) and (3) those at term with labour (7 cases, 5 controls)...
2019: Neuropsychobiology
Maurizio Pompili, Luana Lionetto, Martina Curto, Alberto Forte, Denise Erbuto, Franco Montebovi, Maria Elena Seretti, Isabella Berardelli, Gianluca Serafini, Marco Innamorati, Mario Amore, Ross J Baldessarini, Paolo Girardi, Maurizio Simmaco
BACKGROUND: Some previous studies found decreased concentrations of L-tryptophan (TRY) and increased L-kynurenine (KYN), or its metabolites, in the body fluids of subjects with major depressive disorder (MDD), sometimes in association with suicidal behavior. Such changes might indicate a shift of TRY away from serotonin production, possibly via the effects of inflammatory peptides which activate indoleamine-2,3-dioxygenase. However, these findings have been inconsistent and require replication...
2019: Neuropsychobiology
Eva Z Reininghaus, Lisa-Christin Wetzlmair, Frederike T Fellendorf, Martina Platzer, Robert Queissner, Armin Birner, Ren Pilz, Carlo Hamm, Alexander Maget, Alexandra Rieger, Antonia Prettenhofer, Walter Wurm, Sabrina Mörkl, Nina Dalkner
The importance of the microbiome for psychological well-being has gained rising interest in the last decade. A strategy to examine the role of the microbiome in different diseases is the intake of supplements that modulate the gut microbiome. Despite promising results in animal studies, research in humans is sparse to date and especially in individuals with psychiatric disorders almost missing. The current report of the ProbioBIP-one pilot study aims at describing general effects of the intake of the probiotic OMNi-BiOTiC Stress repair® on psychological parameters as well as gastrointestinal symptoms and general compliance in a cohort of euthymic individuals with bipolar disorder (BD), receiving daily probiotic treatment over a time period of 3 months...
October 19, 2018: Neuropsychobiology
Sho Horikoshi, Tetsuya Shiga, Hiroshi Hoshino, Haruka Ochiai, Keiko Kanno-Nozaki, Kazuko Kanno, Haruka Kaneko, Yasuto Kunii, Itaru Miura, Hirooki Yabe
Mismatch negativity (MMN) is a component of auditory event-related potentials that reflects automatic change detection in the brain, showing qualities of endophenotypes in schizophrenia. MMN deficiency is one of the robust findings in patients, and it reflects both cognitive and functional decline. Catechol-o-methyltransferase (COMT) is a key enzyme involved in regulating dopamine transmission within the prefrontal cortex. A preliminary study suggested that the COMTVal108/158Met genotype (rs4680) is related to cognitive function in schizophrenia...
October 16, 2018: Neuropsychobiology
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"