547 results match your criteria: "Division of Neuropsychiatry and Behavioral Neurology; Brown University[Affiliation]"

Genomics-informed neuropsychiatric care for neurodevelopmental disorders: Results from a multidisciplinary clinic.

Genet Med

December 2024

Division of Neurology, Children's Hospital Los Angeles, Los Angeles, CA; Departments of Pediatrics and Neurology, University of Southern California, Los Angeles, CA. Electronic address:

Purpose: Patients with neurodevelopmental disorders (NDDs) have high rates of neuropsychiatric comorbidities. Genomic medicine may help guide care because pathogenic variants are identified in up to 50% of patients with NDDs. We evaluate the impact of a genomics-informed, multidisciplinary, neuropsychiatric specialty clinic on the diagnosis and management of patients with NDDs.

View Article and Find Full Text PDF

Associations of cognitive test performance with self-reported mental health, cognition, and quality of life in adults with functional seizures: A systematic review and meta-analysis.

Clin Neuropsychol

December 2024

VA Providence Healthcare System, Center for Neurorestoration and Neurotechnology; Rhode Island Hospital, Division of Neuropsychiatry and Behavioral Neurology; Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA.

People with functional seizures (FS) have frequent and disabling cognitive dysfunction and mental health symptoms, with low quality of life. However, interrelationships among these constructs are poorly understood. In this meta-analysis, we examined associations between objective (i.

View Article and Find Full Text PDF
Article Synopsis
  • The opioid crisis has evolved into a global issue affecting various socioeconomic and cultural areas, with traditional treatment methods proving insufficient.
  • A narrative review was conducted using multiple databases to explore the complex factors contributing to this epidemic, acknowledging the potential for bias in article selection.
  • Despite some progress with Opioid Substitution Therapy, U.S. overdose deaths remain alarmingly high and are projected to increase; the authors suggest a need for a new treatment approach that targets brain neurotransmitter systems for better management.
View Article and Find Full Text PDF

Altered Neural Processing of Interoception in Patients With Functional Neurological Disorder: A Task-Based fMRI Study.

J Neuropsychiatry Clin Neurosci

November 2024

Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague (Sojka, Serranová); Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, and Laureate Institute for Brain Research, Tulsa, Oklahoma (Khalsa); Functional Neurological Disorder Unit, Division of Behavioral Neurology and Integrated Brain Medicine, Department of Neurology, Division of Neuropsychiatry, Department of Psychiatry, and Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston (Perez); Functional Neurological Disorder Unit, Division of Behavioral Neurology and Integrated Brain Medicine, Department of Neurology, Athinoula A. Martinos Center for Biomedical Imaging, and Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston (Diez).

Objective: Research suggests that disrupted interoception contributes to the development and maintenance of functional neurological disorder (FND); however, no functional neuroimaging studies have examined the processing of interoceptive signals in patients with FND.

Methods: The authors examined univariate and multivariate functional MRI neural responses of 38 patients with mixed FND and 38 healthy control individuals (HCs) during a task exploring goal-directed attention to cardiac interoception-versus-control (exteroception or rest) conditions. The relationships between interoception-related neural responses, heartbeat-counting accuracy, and interoceptive trait prediction error (ITPE) were also investigated for FND patients.

View Article and Find Full Text PDF

A multisite observational real-world study on the effectiveness of repetitive transcranial magnetic stimulation therapy for patients with treatment-resistant depression in Japan.

Psychiatry Res

December 2024

Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan; Department of Psychiatry, International University of Health and Welfare, Mita Hospital, Tokyo, Japan. Electronic address:

The objective of this study was to reveal the effectiveness of repetitive transcranial magnetic stimulation (rTMS) for Japanese patients with treatment-resistant depression (TRD) in clinical practice, based on real-world data from a nationwide multicenter observational study in Japan. Clinical data of patients with TRD treated with rTMS (NeuroStar TMS treatment system) under public insurance coverage were retrospectively collected from 21 institutes nationwide between June 2019 and December 2023. Depression severity was assessed by the 17-item Hamilton Depression Rating Scale (HAMD-17).

View Article and Find Full Text PDF

Objective: Syncope is defined as a spontaneous and transient loss of consciousness and postural tone due to brief and reversible cerebral hypoperfusion. This review aimed to summarize the research findings regarding the psychological correlates associated with pediatric syncope. Moreover, the study aimed to deepen the understanding of the relationship between psychological disorders and the onset of syncopal episodes in childhood, focusing on clinical features and different clinical classifications.

View Article and Find Full Text PDF

Although specific risk factors for brain alterations in bipolar disorders (BD) are currently unknown, obesity impacts the brain and is highly prevalent in BD. Gray matter correlates of obesity in BD have been well documented, but we know much less about brain white matter abnormalities in people who have both obesity and BD. We obtained body mass index (BMI) and diffusion tensor imaging derived fractional anisotropy (FA) from 22 white matter tracts in 899 individuals with BD, and 1287 control individuals from 20 cohorts in the ENIGMA-BD working group.

View Article and Find Full Text PDF

Objective: To investigate phenotypes of comorbidity before and after an epilepsy diagnosis in a national cohort of post-9/11 Service Members and Veterans and explore phenotypic associations with mortality.

Methods: Among a longitudinal cohort of Service Members and Veterans receiving care in the Veterans Health Administration (VHA) from 2002 to 2018, annual diagnoses for 26 conditions associated with epilepsy were collected over 5 years, ranging from 2 years prior to 2 years after the year of first epilepsy diagnosis. Latent class analysis (LCA) was used to identify probabilistic comorbidity phenotypes with distinct health trajectories.

View Article and Find Full Text PDF
Article Synopsis
  • Subcortical brain structures play a crucial role in various developmental and psychiatric disorders, and a study analyzed brain volumes in 74,898 individuals, identifying 254 genetic loci linked to these volumes, which accounted for up to 35% of variation.
  • The research included exploring gene expression in specific neural cell types, focusing on genes involved in intracellular signaling and processes related to brain aging.
  • The findings suggest that certain genetic variants not only influence brain volume but also have potential causal links to conditions like Parkinson’s disease and ADHD, highlighting the genetic basis for risks associated with neuropsychiatric disorders.
View Article and Find Full Text PDF
Article Synopsis
  • Subcortical brain structures play a crucial role in various disorders, and a study analyzed the genetic basis of brain volumes in nearly 75,000 individuals of European ancestry, revealing 254 loci linked to these volumes.
  • The research identified significant gene expression in neural cells, relating to brain aging and signaling, and found that polygenic scores could predict brain volumes across different ancestries.
  • The study highlights genetic connections between brain volumes and conditions like Parkinson's disease and ADHD, suggesting specific gene expression patterns could be involved in neuropsychiatric disorders.
View Article and Find Full Text PDF
Article Synopsis
  • * Recent efforts to stop smoking haven't been put into action yet, and it’s important to see what could happen if smoking rates stay the same or improve.
  • * Researchers used models to predict health outcomes by 2050 based on different scenarios of smoking rates, showing that cutting smoking could greatly improve health and life expectancy.
View Article and Find Full Text PDF
Article Synopsis
  • Autism spectrum disorder (ASD) is a complex lifelong condition, and this study aimed to create a classifier using resting-state fMRI from a large group of 730 Japanese adults to identify its neural and biological features.
  • The developed classifier showed effectiveness in differentiating individuals with ASD from neurotypical controls across various countries, including the US and Belgium, and it also applied to children and adolescents.
  • Importantly, the study found that the classifier identified crucial functional connections related to social interaction difficulties and neurotransmitter activity, and it linked ASD with similar neurobiological factors seen in ADHD and schizophrenia, enhancing understanding of related mental health disorders.
View Article and Find Full Text PDF

Towards a consensus roadmap for a new diagnostic framework for mental disorders.

Eur Neuropsychopharmacol

January 2025

CNS Discovery Research, Boehringer Ingelheim Pharma GmbH, Biberach, Germany.

Article Synopsis
  • Current mental disorder classifications are based on convention and symptom clusters rather than biological mechanisms, leading to significant overlap and variability in diagnoses.
  • There is a need for a new diagnostic framework that incorporates neurobiology to enhance treatment options and help patients better understand their illnesses.
  • The ECNP New Frontiers Meeting 2024 aims to establish a roadmap for improved precision diagnostics by focusing on innovative technologies, the biology of mental illness, and translating this knowledge into effective treatment strategies.*
View Article and Find Full Text PDF

The Global ECT MRI Research Collaboration (GEMRIC) has collected clinical and neuroimaging data of patients treated with electroconvulsive therapy (ECT) from around the world. Results to date have focused on neuroimaging correlates of antidepressant response. GEMRIC sites have also collected longitudinal cognitive data.

View Article and Find Full Text PDF
Article Synopsis
  • Researchers studied strokes from 1990 to 2021 to understand how many people get them and how they are affected around the world.
  • In 2021, strokes caused about 7.3 million deaths and were a major cause of health problems, especially in specific regions like Southeast Asia and Oceania.
  • There are differences in stroke risks based on where people live and their age, and some areas actually saw more strokes happening since 2015.
View Article and Find Full Text PDF

α-Synuclein species in plasma neuron-derived extracellular vesicles as biomarkers for iRBD.

Ann Clin Transl Neurol

November 2024

Department of Pathophysiology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.

Objective: Isolated REM sleep behavior disorder (iRBD) is considered as the strongest predictor of Parkinson's disease (PD). Reliable and accurate biomarkers for iRBD detection and the prediction of phenoconversion are in urgent need. This study aimed to investigate whether α-Synuclein (α-Syn) species in plasma neuron-derived extracellular vesicles (NDEVs) could differentiate between iRBD patients and healthy controls (HCs).

View Article and Find Full Text PDF

Background: Deployment-related neurotoxicant exposures are implicated in the etiology of Gulf War illness (GWI), the multisymptom condition associated with military service in the 1990-1991 Gulf War (GW). A Q/R polymorphism at position 192 of the paraoxonase (PON)-1 enzyme produce PON1 variants with different capacities for neutralizing specific chemicals, including certain acetylcholinesterase inhibitors.

Methods: We evaluated PON1 status and GW exposures in 295 GWI cases and 103 GW veteran controls.

View Article and Find Full Text PDF
Article Synopsis
  • Neuroimaging databases for neuro-psychiatric disorders provide valuable data for researchers to explore diseases, develop machine learning models, and redefine understanding of these conditions.* ! -
  • A review identified 42 global MRI datasets totaling 23,293 samples from patients with various disorders, including mood, developmental, schizophrenia, Parkinson's, and dementia.* ! -
  • Improved governance and addressing technical issues of these databases are essential for sharing data across borders, aiding in understanding, diagnosing, and creating early interventions for neuro-psychiatric disorders.* !
View Article and Find Full Text PDF

Deficits in memory performance have been linked to a wide range of neurological and neuropsychiatric conditions. While many studies have assessed the memory impacts of individual conditions, this study considers a broader perspective by evaluating how memory recall is differentially associated with nine common neuropsychiatric conditions using data drawn from 55 international studies, aggregating 15,883 unique participants aged 15-90. The effects of dementia, mild cognitive impairment, Parkinson's disease, traumatic brain injury, stroke, depression, attention-deficit/hyperactivity disorder (ADHD), schizophrenia, and bipolar disorder on immediate, short-, and long-delay verbal learning and memory (VLM) scores were estimated relative to matched healthy individuals.

View Article and Find Full Text PDF

Machine learning classification of functional neurological disorder using structural brain MRI features.

J Neurol Neurosurg Psychiatry

July 2024

Functional Neurological Disorder Research Group, Division of Behavioral Neurology & Integrated Brain Medicine, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA

Background: Brain imaging studies investigating grey matter in functional neurological disorder (FND) have used univariate approaches to report group-level differences compared with healthy controls (HCs). However, these findings have limited translatability because they do not differentiate patients from controls at the individual-level.

Methods: 183 participants were prospectively recruited across three groups: 61 patients with mixed FND (FND-mixed), 61 age-matched and sex-matched HCs and 61 age, sex, depression and anxiety-matched psychiatric controls (PCs).

View Article and Find Full Text PDF
Article Synopsis
  • People with dementia often lack awareness of their social functioning abilities, which can lead to negative outcomes for both them and their caregivers.
  • This study examined how this awareness relates to the severity of dementia in individuals over 65 from Germany, Japan, and the UK using the Social Functioning in Dementia scale.
  • Findings showed that while patients and caregivers agreed on some aspects of social functioning, patients tended to overestimate their communication and sensitivity skills compared to their caregivers, highlighting the need for better understanding and support for families.
View Article and Find Full Text PDF
Article Synopsis
  • This study used machine learning to classify subtypes of schizophrenia by analyzing brain images from over 4,000 patients and healthy individuals through international collaboration.* -
  • Researchers identified two neurostructural subgroups: one with predominant cortical loss and enlarged striatum, and another with significant subcortical loss in areas like the hippocampus and striatum.* -
  • The findings suggest this new imaging-based classification could redefine schizophrenia based on biological similarities, enhancing our understanding and treatment of the disorder.*
View Article and Find Full Text PDF

Pathogenic variants in KMT2C result in a neurodevelopmental disorder distinct from Kleefstra and Kabuki syndromes.

Am J Hum Genet

August 2024

Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester University NHS Foundation Trust, Health Innovation Manchester, Manchester, UK; Manchester Centre for Genomic Medicine, Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.

Article Synopsis
  • KMT2C and KMT2D are important enzymes that modify genes, with KMT2C haploinsufficiency recently linked to Kleefstra syndrome 2, a neurodevelopmental disorder (NDD) with unknown clinical details.
  • A study involving 98 individuals found that most pathogenic variants in KMT2C span nearly all its exons, making variant interpretation difficult; the study also established a KMT2C DNA methylation signature for better classification of the disorder.
  • Key features of KMT2C-related NDD include developmental delays, intellectual disabilities, and distinct facial characteristics, setting it apart from similar conditions like Kleefstra and Kabuki syndromes, indicating the need for its renaming and
View Article and Find Full Text PDF

Dementia With Lewy Bodies Phenocopy in a Case of RT-QuIC-Negative Creutzfeldt-Jakob Disease: Implications of Functional Anatomy.

J Neuropsychiatry Clin Neurosci

July 2024

Department of Neurology (Wiggins, Pharr, Wood, Bateman), Department of Internal Medicine, Division of Gerontology and Geriatric Medicine (Craft, Bateman), Alzheimer's Disease Research Center (Craft, Harrison), Department of Pathology (Harrison, Bateman), and Department of Psychiatry and Behavioral Medicine (Bateman), Wake Forest School of Medicine, Winston-Salem, N.C.; Mental Illness Research, Education, and Clinical Center, Salisbury Veterans Affairs Medical Center, Salisbury, N.C. (Bateman).

View Article and Find Full Text PDF

Clinical recognition of frontotemporal dementia with right anterior temporal predominance: A multicenter retrospective cohort study.

Alzheimers Dement

August 2024

Alzheimer Center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam UMC, De Boelelaan, Amsterdam, The Netherlands.

Article Synopsis
  • A multicenter study involving 18 centers in 12 countries examined 360 patients with frontotemporal dementia (FTD) characterized by right anterior temporal lobe (RATL) atrophy to create a unified clinical description of the syndrome.
  • Key symptoms identified in patients included mental rigidity (78%), disinhibition (74%), and naming difficulties (70%), with cognitive tests revealing specific deficits in social interactions and emotional recognition, though lacking in measuring mental rigidity.
  • The findings represent the largest cohort of its kind, highlighting under-acknowledged symptoms of RATL and providing valuable insights for clinicians to improve early diagnosis and management of FTD patients.
View Article and Find Full Text PDF