Venkataram Shivakumar
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View article: Home-based Transcranial Electrical Stimulation (tES) for the Management of Psychiatric Disorders: A Scoping Review
Home-based Transcranial Electrical Stimulation (tES) for the Management of Psychiatric Disorders: A Scoping Review Open
Background: Transcranial electrical stimulation (tES) is a non-invasive neuromodulation technique increasingly recognized for its therapeutic potential in psychiatric disorders. Recent advances have enabled its administration in home setti…
View article: Unlocking arteriovenous fistula success: a prospective randomized controlled trial on intraoperative IV heparin for superior vascular access outcomes
Unlocking arteriovenous fistula success: a prospective randomized controlled trial on intraoperative IV heparin for superior vascular access outcomes Open
Introduction: End-stage renal disease (ESRD) prevalence is rising globally, making vascular access for haemodialysis increasingly important. Arteriovenous fistula (AVF) remains the gold standard for durable vascular access, but early failu…
View article: Inhibitory control and error processing in Obsessive-Compulsive Disorder: A mega-analysis of task-based fMRI data by the ENIGMA-OCD consortium
Inhibitory control and error processing in Obsessive-Compulsive Disorder: A mega-analysis of task-based fMRI data by the ENIGMA-OCD consortium Open
Objective Obsessive-compulsive disorder (OCD) is a chronic condition in which impaired inhibitory control and excessive error monitoring may contribute to the maintenance of obsessions and compulsions. This mega-analysis investigates neura…
View article: Evaluating the efficacy of ayurvedic intervention as add on to conventional treatment and explore the interaction of epigenetics, neuro/gut biomarkers and neuroimaging in pediatric ADHD (attention deficit hyperactivity disorder)
Evaluating the efficacy of ayurvedic intervention as add on to conventional treatment and explore the interaction of epigenetics, neuro/gut biomarkers and neuroimaging in pediatric ADHD (attention deficit hyperactivity disorder) Open
Introduction: Attention deficit hyperactivity disorder (ADHD) is one of the common neuro-developmental challenges faced by children. Complementary and alternative medicine (CAM) treatments are frequently used as adjuvants to conventional t…
View article: Regional, functional and transcriptomic decoding of multidimensional brain structure alterations in obsessive-compulsive disorder
Regional, functional and transcriptomic decoding of multidimensional brain structure alterations in obsessive-compulsive disorder Open
Studies of brain morphology in mental illness often incompletely characterize structural variation, focusing on a few neuroimaging phenotypes. Here we present a comprehensive morphological characterization in obsessive-compulsive disorder …
View article: CYTOLOGICAL DIAGNOSIS AND SUCCESSFUL TREATMENT OF INDOLENT ULCER IN A PERSIAN CAT: A CASE REPORT
CYTOLOGICAL DIAGNOSIS AND SUCCESSFUL TREATMENT OF INDOLENT ULCER IN A PERSIAN CAT: A CASE REPORT Open
A one year old, female, Persian cat, weighing about 4kg was presented to Veterinary College Hospital, Hassan with a history of swollen upper lip and presence of ulcers since one week. The cat was not showing any signs of pruritus and was t…
View article: Green synthesis of Ce3+ doped V2O5 NPs as an advanced electrode material for possible supercapacitor and therapeutic applications
Green synthesis of Ce3+ doped V2O5 NPs as an advanced electrode material for possible supercapacitor and therapeutic applications Open
View article: Author Correction: Mapping genetic diversity with the GenomeIndia project
Author Correction: Mapping genetic diversity with the GenomeIndia project Open
View article: Integrated Yoga and Ayurveda therapy for negative symptoms in schizophrenia: A case series highlighting safety and synergistic value of integrative and personalized healthcare
Integrated Yoga and Ayurveda therapy for negative symptoms in schizophrenia: A case series highlighting safety and synergistic value of integrative and personalized healthcare Open
Negative symptoms are a significant contributor to the psychopathology of schizophrenia, primarily affecting socio-occupational functioning. Though effective in managing positive symptoms, most pharmacological agents have limited effects o…
View article: An Open-label Study to Evaluate Tolerability of Add-on Transcranial Direct Current Stimulation (tDCS) in Adolescents with Schizophrenia or Other Psychotic Disorders
An Open-label Study to Evaluate Tolerability of Add-on Transcranial Direct Current Stimulation (tDCS) in Adolescents with Schizophrenia or Other Psychotic Disorders Open
Introduction: Treatment of childhood-onset schizophrenia (COS) and related psychotic disorders is challenging due to limited options for effective interventions. Transcranial direct current stimulation (tDCS) is a noninvasive neuro-modulat…
View article: Study protocol for identifying resting brain functional connectivity markers of response to continuous Theta Burst Stimulation and cathodal transcranial Direct Current Stimulation in patients with schizophrenia with persistent auditory hallucinations
Study protocol for identifying resting brain functional connectivity markers of response to continuous Theta Burst Stimulation and cathodal transcranial Direct Current Stimulation in patients with schizophrenia with persistent auditory hallucinations Open
Background Schizophrenia is one of the most burdensome psychiatric disorders. Novel neuromodulatory techniques including cathodal transcranial direct current stimulation (c-tDCS) and continuous theta burst stimulation (cTBS) using repetiti…
View article: Surgical management of Coenurus gaigeri cyst in non-descriptive sheep herd in Karnataka
Surgical management of Coenurus gaigeri cyst in non-descriptive sheep herd in Karnataka Open
View article: Home-based tDCS for schizophrenia: Exploring the feasibility of a standard operating procedure
Home-based tDCS for schizophrenia: Exploring the feasibility of a standard operating procedure Open
View article: Study protocol for identifying resting brain functional connectivity markers of response to continuous Theta Burst Stimulation and cathodal transcranial Direct Current Stimulation in patients with schizophrenia with persistent auditory hallucinations
Study protocol for identifying resting brain functional connectivity markers of response to continuous Theta Burst Stimulation and cathodal transcranial Direct Current Stimulation in patients with schizophrenia with persistent auditory hallucinations Open
Background Schizophrenia is one of the most burdensome psychiatric disorders. Novel neuromodulatory techniques including cathodal transcranial direct current stimulation (c-tDCS) and continuous theta burst stimulation (cTBS) using repetiti…
View article: Correction: White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group
Correction: White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group Open
View article: White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group
White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group Open
View article: Correction: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium
Correction: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium Open
Correction to: Molecular Psychiatry, published online 2 May 2023 In this article Honami Arai, Irene Bollettini, Rosa Calvo Escalona, Ana Coelho, Federica Colombo, Leila Darwich, Martine Fontaine, Toshikazu Ikuta, Jonathan C. Ipser, Asier J…
View article: Extended accelerated tDCS and correction of prediction error signalling in Schizophrenia with atypical hallucinations: A case report
Extended accelerated tDCS and correction of prediction error signalling in Schizophrenia with atypical hallucinations: A case report Open
View article: White matter diffusion estimates in obsessive-compulsive disorder across 1,653 individuals: Machine learning findings from the ENIGMA OCD Working Group
White matter diffusion estimates in obsessive-compulsive disorder across 1,653 individuals: Machine learning findings from the ENIGMA OCD Working Group Open
White matter pathways, typically studied with diffusion tensor imaging (DTI), have been implicated in the neurobiology of obsessive-compulsive disorder (OCD). However, due to limited sample sizes and the predominance of single-site studies…
View article: Neurobiological and clinical effects of High-Definition tDCS on persistent auditory hallucinations in schizophrenia: A randomized controlled trial
Neurobiological and clinical effects of High-Definition tDCS on persistent auditory hallucinations in schizophrenia: A randomized controlled trial Open
Background High-definition transcranial direct current stimulation (HD-tDCS) is a potential add-on treatment for persistent auditory hallucinations (AH). However, the lack of evidence from methodical studies implores the need for a systema…
View article: Accelerated aging and frailty in schizophrenia
Accelerated aging and frailty in schizophrenia Open
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View article: Duration and Frequency Mismatch Negativity in Schizophrenia, unaffected first-degree relatives, and healthy controls
Duration and Frequency Mismatch Negativity in Schizophrenia, unaffected first-degree relatives, and healthy controls Open
Background Mismatch negativity (MMN) is elicited upon detecting background irregularities in the sensory environment and subsequent updating of the sensory context. Auditory MMN amplitude is reliably attenuated in schizophrenia patients. H…
View article: Repetition-dependent adaptation and Prediction error signalling in Schizophrenia patients with auditory hallucinations: A Roving Mismatch Negativity Study
Repetition-dependent adaptation and Prediction error signalling in Schizophrenia patients with auditory hallucinations: A Roving Mismatch Negativity Study Open
Background Prediction error is the surprise that is elicited when the sensory expectations are first established and then violated. Positive symptoms of schizophrenia, like auditory hallucinations (AH), are thought to arise from dysregulat…
View article: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium
The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium Open
View article: Role of Ayurveda in the management of psychotic disorders: A systematic review of clinical evidence
Role of Ayurveda in the management of psychotic disorders: A systematic review of clinical evidence Open
The role of Ayurveda, in the treatment of psychosis is least explored. Currently available studies on the effect of Ayurveda treatment on psychosis are very less in number to draw a valuable conclusion. Hence there is a large scope for con…
View article: A Primer on Interoception and its Importance in Psychiatry
A Primer on Interoception and its Importance in Psychiatry Open
Interoception is the perception of signals from inside the body. It plays a significant role in the nervous, cardiovascular, respiratory, gastrointestinal, genitourinary, and endocrine systems. It is also closely related to the autonomic n…
View article: Study protocol for evaluating the clinical efficacy and neurobiological correlates of sequential treatment with tDCS primed iTBS and ECT in treatment-resistant depression
Study protocol for evaluating the clinical efficacy and neurobiological correlates of sequential treatment with tDCS primed iTBS and ECT in treatment-resistant depression Open
Background: Treatment-resistant depression is a burdensome condition. Intermittent theta burst stimulation (iTBS) of the left dorsolateral prefrontal cortex is considered a treatment option in early course of resistance with a proportion o…
View article: Accelerated tDCS improves corollary discharge deficit & prediction error signalling in schizophrenia: A case report
Accelerated tDCS improves corollary discharge deficit & prediction error signalling in schizophrenia: A case report Open
Recently, a case has been made for the safety, tolerability and clinical utility of accelerated protocol for tDCS (acctDCS) (greater number of sessions over a shorter duration) in schizophrenia [[1]Mondino M. Poulet E. Brunelin J. Moving t…
View article: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium
The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium Open
Current knowledge about functional connectivity in obsessive-compulsive disorder (OCD) is based on small-scale studies, limiting the generalizability of results. Moreover, the majority of studies have focused only on predefined regions or …
View article: Superior temporal gyrus functional connectivity predicts transcranial direct current stimulation response in Schizophrenia: A machine learning study
Superior temporal gyrus functional connectivity predicts transcranial direct current stimulation response in Schizophrenia: A machine learning study Open
Transcranial direct current stimulation (tDCS) is a promising adjuvant treatment for persistent auditory verbal hallucinations (AVH) in Schizophrenia (SZ). Nonetheless, there is considerable inter-patient variability in the treatment respo…