Atypical Edema in Posterior Reversible Encephalopathy Syndrome: Clinical Associations and Outcome

by Clinical Neuropsychologist | Monday, August 18, 2025 | Neuroimaging

ABSTRACT Background and Purpose Posterior reversible encephalopathy syndrome (PRES) is a neurotoxic state with characteristic imaging findings. While classic PRES typically involves parieto-occipital edema, atypical cases present with variable involvement of deep gray...

Advances in Collateral Neuroimaging for Acute Ischemic Stroke: Redefining Time and Tissue Windows in the Reperfusion Era

by Clinical Neuropsychologist | Monday, August 18, 2025 | Neuroimaging

ABSTRACT Cerebral collateral circulation is a critical determinant of infarct evolution, therapeutic response, and clinical outcomes in patients with acute ischemic stroke. While the concept of “time is brain” has traditionally guided reperfusion therapy, recent...

Tandem Cervical Internal Carotid Artery Hyperdensity Implies Stent Reocclusion on Post Thrombectomy Computed Tomography

by Clinical Neuropsychologist | Saturday, August 9, 2025 | Neuroimaging

ABSTRACT Background and Purpose Acute tandem internal carotid artery (ICA) reocclusion after stenting as part of endovascular stroke treatment is recognized as a complication in a significant minority of patients, and this can be associated with neurological...

SPECT Cerebral Perfusion Patterns in Isolated Cervical Dystonia

by Clinical Neuropsychologist | Monday, August 4, 2025 | Neuroimaging

ABSTRACT Background and Purpose Isolated cervical dystonia is characterized by sustained or intermittent neck movements caused by involuntary muscle contractions, resulting in abnormal movements or postures of cervical areas. We measured altered regional cerebral...

Optic Nerve Sheath Diameter: Which Axis Should Be Measured?

by Clinical Neuropsychologist | Monday, August 4, 2025 | Neuroimaging

ABSTRACT Background and purpose Optic nerve sheath diameter (ONSD) measured by point-of-care ultrasound (POCUS) is a commonly used non-invasive estimate of intracranial pressure (ICP). However, methodological variations limit standardization of this promising...

Sex Differences in White Matter Structure in Attention Deficit Hyperactivity Disorder: MR Diffusion Fixel‐Based Analysis

by Clinical Neuropsychologist | Friday, August 1, 2025 | Neuroimaging

ABSTRACT Background and Purpose Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder prevalent among adolescents and exhibits notable sex dimorphism. Despite an increasing body of research, the impact of sex on ADHD remains underexplored....