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AI analysis of SPECT MPI scans can predict future cardiac events
The combination of artificial intelligence (AI) and SPECT myocardial perfusio...Read more on AuntMinnie.comRelated Reading: Machine learning plus CT boosts prediction of major coronary events Report charts 80% drop in cardiac SPECT during COVID-19 Machine-learning model predicts adverse cardiac outcomes AI predicts heart attack, stroke on cardiac MRI Deep learning advances SPECT MPI
Source: AuntMinnie.com Headlines - June 12, 2021 Category: Radiology Source Type: news

Will MRI replace the EEG for the diagnosis of nonconvulsive status epilepticus, especially focal?
Authors: Gelisse P, Genton P, Crespel A, Lefevre PH Abstract Magnetic resonance imaging (MRI) can now be used to diagnose or to provide confirmation of focal nonconvulsive status epilepticus (NCSE). Approximately half of patients with status epilepticus (SE) have signal changes. MRI can also aid in the differential diagnosis with generalized NCSE when there is a clinical or EEG doubt, e.g. with metabolic/toxic encephalopathies or Creutzfeldt-Jakob disease. With the development of stroke centers, MRI is available 24h/24 in most hospitals. MRI has a higher spatial resolution than electroencephalography (EEG). MRI wit...
Source: Revue Neurologique - January 26, 2021 Category: Neurology Tags: Rev Neurol (Paris) Source Type: research

Light-Induced Pupillary Responses in Alzheimer's Disease
Light-Induced Pupillary Responses in Alzheimer's Disease Pratik S. Chougule1, Raymond P. Najjar1,2, Maxwell T. Finkelstein1, Nagaendran Kandiah3,4 and Dan Milea1,2,5* 1Department of Visual Neurosciences, Singapore Eye Research Institute, Singapore, Singapore 2The Ophthalmology & Visual Sciences ACP, Duke-National University of Singapore (NUS) Medical School, Singapore, Singapore 3Department of Neurology, National Neuroscience Institute, Singapore, Singapore 4Duke-National University of Singapore (NUS), Singapore, Singapore 5Singapore National Eye Centre, Singapore, Singapore The impact of Alzhe...
Source: Frontiers in Neurology - April 11, 2019 Category: Neurology Source Type: research

The Posterior Fossa and Foreign Accent Syndrome: Report of Two New Cases and Review of the Literature
AbstractForeign accent syndrome is a rare motor speech disorder that causes patients to speak their language with a non-native accent. In the neurogenic condition, the disorder develops after lesions in the language dominant hemisphere, often affecting Broca ’s area, the insula, the supplementary motor area and the primary motor cortex. Here, we present two new cases of FAS after posterior fossa lesions. The first case is a 44-year-old, right-handed, Dutch-speaking man who suffered motor speech disturbances and a left hemiplegia after a pontine infarc tion. Quantified SPECT showed a bilateral hypoperfusion in the inferio...
Source: The Cerebellum - July 5, 2017 Category: Neurology Source Type: research

The Posterior Fossa and Foreign Accent Syndrome: Report of Two New Cases and Review of the Literature.
Abstract Foreign accent syndrome is a rare motor speech disorder that causes patients to speak their language with a non-native accent. In the neurogenic condition, the disorder develops after lesions in the language dominant hemisphere, often affecting Broca's area, the insula, the supplementary motor area and the primary motor cortex. Here, we present two new cases of FAS after posterior fossa lesions. The first case is a 44-year-old, right-handed, Dutch-speaking man who suffered motor speech disturbances and a left hemiplegia after a pontine infarction. Quantified SPECT showed a bilateral hypoperfusion in the i...
Source: Cerebellum - March 23, 2017 Category: Neuroscience Authors: Keulen S, Mariën P, van Dun K, Bastiaanse R, Manto M, Verhoeven J Tags: Cerebellum Source Type: research

A Case of Transient Global Amnesia: A Review and How It May Shed Further Insight into the Neurobiology of Delusions
Conclusion In closing, our patient’s episode of TGA combined with her emotional and perceptual response lends credence to the proposal of a “fear/paranoia” circuit in the genesis of paranoid delusions—a circuit incorporating amygdala, frontal, and parietal cortices. Here, neutral or irrelevant stimuli, thoughts, and percepts come to engender fear and anxiety, while dysfunction in frontoparietal circuitry engenders inappropriate social predictions and maladaptive inferences about the intentions of others.[54] Hippocampus relays information about contextual information based on past experiences and the current situat...
Source: Innovations in Clinical Neuroscience - April 1, 2016 Category: Neuroscience Authors: ICN Online Editor Tags: Anxiety Disorders Behavioral and Cognitive Neurology Case Report Cognition Current Issue Dementia Medical Issues Neurologic Systems and Symptoms Psychiatry Schizophrenia delusions hippocampus neurobiology Transient global amnesia Source Type: research

Posterior Fossa Syndrome After Cerebellar Stroke.
We report longitudinal clinical, neurocognitive and neuroradiological findings in a 71-year-old right-handed patient who developed PFS following a right cerebellar haemorrhage that was not surgically evacuated. During follow-up, functional neuroimaging was conducted by means of quantified Tc-99m-ECD SPECT studies. After a 10-day period of akinetic mutism, the clinical picture developed into cerebellar cognitive affective syndrome (CCAS) with reversion to a previously learnt accent, consistent with neurogenic foreign accent syndrome (FAS). No psychometric evidence for dementia was found. Quantified Tc-99m-ECD SPECT studies ...
Source: Cerebellum - April 11, 2013 Category: Neuroscience Authors: Mariën P, Verslegers L, Moens M, Dua G, Herregods P, Verhoeven J Tags: Cerebellum Source Type: research