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Amrita SinghYale University | YU
Amrita Singh
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21
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Publications
Publications (21)
Enlargement of the cerebrospinal fluid (CSF)–filled brain ventricles (cerebral ventriculomegaly), the cardinal feature of congenital hydrocephalus (CH), is increasingly recognized among patients with autism spectrum disorders (ASD). KATNAL2, a member of Katanin family microtubule-severing ATPases, is a known ASD risk gene, but its roles in human br...
INTRODUCTION
Fetal ventriculomegaly, the most common antenatally-diagnosed brain abnormality, is the defining feature of congenital hydrocephalus (CH). Fetal ventriculomegaly is also an overlooked associated finding in neuropsychiatric disorders, including autism spectrum disorder (ASD), which is diagnosed at a 10-fold higher rate in CH patients th...
Hydrocephalus, characterized by cerebral ventriculomegaly, is the most common disorder requiring brain surgery in children. Recent studies have implicated SMARCC1, a component of the BRG1-associated factor (BAF) chromatin remodelling complex, as a candidate congenital hydrocephalus gene. However, SMARCC1 variants have not been systematically examin...
Importance: Hydrocephalus, characterized by cerebral ventriculomegaly, is the most common disorder requiring brain surgery. A few familial forms of congenital hydrocephalus (CH) have been identified, but the cause of most sporadic cases of CH remains elusive. Recent studies have implicated SMARCC1, a component of the BRG1-associated factor (BAF) ch...
Expansion of the cerebrospinal fluid (CSF)-filled cerebral ventricles (ventriculomegaly) is the quintessential feature of congenital hydrocephalus (CH) but also seen in autism spectrum disorder (ASD) and several neuropsychiatric diseases. PTEN is frequently mutated in ASD; here, we show PTEN is a bona fide risk gene for the development of ventricul...
The choroid plexus (ChP) is the blood-cerebrospinal fluid (CSF) barrier and the primary source of CSF. Acquired hydrocephalus, caused by brain infection or hemorrhage, lacks drug treatments due to obscure pathobiology. Our integrated, multi-omic investigation of post-infectious hydrocephalus (PIH) and post-hemorrhagic hydrocephalus (PHH) models rev...
INTRODUCTION
Postinfectious hydrocephalus (PIH) is the most common cause of acquired hydrocephalus worldwide. Treatment is typically through CSF diversion via ventriculoperitoneal shunting, which has high rates of morbidity and is often unavailable in developing countries.
METHODS
SPAK knockout (KO) rats were generated using Crispr/CAS9. Control a...
Hydrocephalus, characterized by cerebral ventricular dilatation, is routinely attributed to primary defects in cerebrospinal fluid (CSF) homeostasis. This fosters CSF shunting as the leading reason for brain surgery in children despite considerable disease heterogeneity. In this study, by integrating human brain transcriptomics with whole-exome seq...
Congenital hydrocephalus (CH), characterized by incomplete clearance of CSF and subsequent enlargement of brain ventricles, is the most common congenital brain disorder. The lack of curative strategies for CH reflects a poor understanding of the underlying pathogenesis. Herein, the authors present an overview of recent findings in the pathogenesis...
Congenital hydrocephalus (CH), characterized by enlarged brain ventricles, is considered a disease of pathological cerebrospinal fluid (CSF) accumulation and, therefore, treated largely by neurosurgical CSF diversion. The persistence of ventriculomegaly and poor neurodevelopmental outcomes in some post-surgical patients highlights our limited knowl...
Reparative inflammation is an important protective response that eliminates foreign organisms, damaged cells, and physical irritants. However, inappropriately triggered or sustained inflammation can respectively initiate, propagate, or prolong disease. Post-hemorrhagic (PHH) and post-infectious hydrocephalus (PIH) are the most common forms of hydro...
Chronic pain is characterized by discrete pain episodes of unpredictable frequency and duration. This hinders the study of pain mechanisms and contributes to the use of pharmacological treatments associated with side effects, addiction and drug tolerance. Here, we show that a closed-loop brain–machine interface (BMI) can modulate sensory-affective...
Pain is a complex, multidimensional experience that involves dynamic interactions between sensory-discriminative and affective-emotional processes. Pain experiences have a high degree of variability depending on their context and prior anticipation. Viewing pain perception as a perceptual inference problem, we propose a predictive coding paradigm t...
Objectives:
To investigate surgical adjuncts (stents) and previous surgeries on outcomes from posterior glottic stenosis (PGS).
Methods:
PubMED/Medline, CINAHL, EMBASE, and Web of Science were searched for publications on adult patients undergoing surgery for PGS. Decannulation and need for additional surgeries were evaluated as outcomes. Linear...
Posterior nasal nerve (PNN) cryoablation is a novel surgical technique used to address chronic rhinitis. The purpose of this study is to review the medical device reports (MDRs) submitted to the Food and Drug Administration’s (FDA) Manufacturer and User Device Facility Experience (MAUDE) database to identify adverse events related to the use of Cla...
Objective:
Review the published literature of telemedicine's use within otorhinolaryngology (ORL), highlight its successful implementation, and document areas with need of future research.
Methods:
Three independent, comprehensive searches for articles published on the subject of telemedicine in otorhinolaryngology were conducted of literature a...
Pain is an integrated sensory and affective experience. Cortical mechanisms of sensory and affective integration, however, remain poorly defined. Here, we investigate the projection from the primary somatosensory cortex (S1), which encodes the sensory pain information, to the anterior cingulate cortex (ACC), a key area for processing pain affect, i...
Objective:
The primary somatosensory cortex (S1) and the anterior cingulate cortex (ACC) are two most important brain regions encoding the sensory-discriminative and affective-emotional aspects of pain, respectively. However, the functional connectivity of these two areas during cortical pain processing remains unclear. Developing methods to disse...
Pain is a complex, multidimensional experience that involves dynamic interactions between sensory-discriminative and affective-emotional processes. Pain experiences have a high degree of variability depending on their context and prior anticipation. Viewing pain perception as a perceptual inference problem, we use a predictive coding paradigm to ch...
Background:
Traditional methods to assess pain in rodents depend on measures of nociceptive responses, most commonly from the hind paws. While these measures can quantify nociceptive responses to allow pharmacologic testing, they typically have high inter-experimenter variability and are not time-sensitive enough to correct with neural processes t...