Primary cerebellar agenesis is a rare entity. To the best of our knowledge, eleven living cases have been reported till date. Most of these were associated with some degree of motor impairment. We present a case of cerebellar agenesis in a child who presented with cognitive abnormalities leading to poor performance at school. No motor impairment was seen. Among the eleven cases reported earlier, only one case showed lack of motor impairment.
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http://dx.doi.org/10.4103/1817-1745.187646 | DOI Listing |
Mov Disord
January 2025
Medical Psychology Unit, Department of Medicine, Institute of Neurosciences, University of Barcelona, Barcelona, Spain.
Background: Isolated rapid-eye movement (REM) sleep behavior disorder (iRBD) is characterized by abnormal behaviors in REM sleep and is considered as a prodromal symptom of alpha-synucleinopathies. Resting-state functional magnetic resonance imaging (rsfMRI) studies have unveiled altered functional connectivity (rsFC) in patients with iRBD. However, the associations between intra- and inter-network rsFC with clinical symptoms and neuropsychological functioning in iRBD remain unclear.
View Article and Find Full Text PDFEur Arch Psychiatry Clin Neurosci
January 2025
Lanzhou University Second Hospital, Lanzhou, China.
Anorexia nervosa (AN) and obsessive-compulsive disorder (OCD) often share multiple similar symptoms and are highly comorbid; however, the common and distinct brain neuroanatomy of these two diseases are unclear. The current study attempted to identify the overlapping and different gray matter volume (GMV) between AN and OCD. We conducted a voxel-wise meta-analysis of GMV using the latest Seed-based d Mapping with Permutation of Subject Images Toolbox (SDM-PSI) software.
View Article and Find Full Text PDFBehav Brain Res
January 2025
Normandie Univ, UNICAEN, INSERM, PhIND "Physiopathology and Imaging of Neurological Disorders", Cyceron, 14000 Caen, France; Institut Universitaire de France (IUF).
Background: While Alcohol Use Disorder (AUD) is frequently associated with impulsivity, its structural brain substrates are still poorly defined. The triadic model of addiction postulates that impulsive behavior is regulated by an amygdalo-striatal impulsive subcomponent, a prefrontal and cerebellar reflective subcomponent, and an insular regulatory subcomponent. The objective of this study was thus to examine the relationships between self-evaluated impulsivity and structural brain abnormalities in patients with severe AUD (sAUD) using the triadic model as a theoretical framework.
View Article and Find Full Text PDFBMJ Case Rep
January 2025
Radiodiagnosis Department, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
Postseizure brain changes on imaging are well-known facts. Many times, oedematous brain changes can mimic ischaemic stroke. Crossed cerebellar diaschisis refers to a depression in metabolism, affecting the cerebellar hemisphere due to contralateral supratentorial abnormalities.
View Article and Find Full Text PDFRadiol Case Rep
March 2025
Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, Department of Medical Imaging, University of Toronto, Toronto, Ontario.
Pontine Tegmental Cap Dysplasia (PTCD) is a rare hindbrain malformation characterized by cranial nerve dysfunction, cerebellar abnormalities, and developmental delays of varying severity. This case report presents a 12-month-old female with significant developmental delays, hypotonia, and cranial nerve abnormalities. The findings underscore the critical role of radiology and neuroimaging in diagnosing and managing PTCD.
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