Ohio girl, 7, left hallucinating with seizures and memory loss after a mosquito bite  

Lauren Zehner spent six days in hospital and was left unable to recognize her own parents for a short time. She couldn't even see the bite, but doctors determined a mosquito was to blame.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news

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I had memory loss and hallucinations. I was confused and genuinely scared by this strange, little-appreciated condition.
Source: Washington Post: To Your Health - Category: Consumer Health News Authors: Source Type: news
In this study, the activities of N-acetyl chitooligosaccharides (NA-COS), the hydrolytic products of chitin, were evaluated using Aβ-induced damages in animal and cell models of AD. Our results demonstrated that NA-COS significantly improved both acquisition (learning) and retention (memory) of AD rats on water maze task. HE staining of brain tissue sections showed that NA-COS could ameliorate hippocampal neurodegeneration induced by Aβ25-35. Further biochemical analysis showed that NA-COS treatment of intrahippocampal Aβ-microinjected rats was able to elevate choline acetyltransferase activity and attenuate...
Source: Process Biochemistry - Category: Biochemistry Source Type: research
Conclusion: MRI can confirm a clinical hypothesis of transient global amnesia. Knowledge of the optimal diffusion parameters and the ideal timing of diffusion-weighted imaging (> 24 h after symptom onset) are essential to improving diagnostic efficiency.Resumo Objetivo: Enfatizar o protocolo de difus ão mais adequado para detecção de lesões da amnésia global transitória, a fim de realizar um exame preciso, em tempo ideal, após o início dos sintomas. Materiais e Métodos: Foram analisados cinco pacientes com diagnóstico de amnésia global transit&...
Source: Radiologia Brasileira - Category: Radiology Source Type: research
ConclusionsThe prevalence of epilepsy is increased in dementia. The seizures are often subtle and easily missed. The presence of epilepsy predicts more severe impairment in the activities of daily living.
Source: Seizure - Category: Neurology Source Type: research
Neuropathological features in Alzheimer’s disease (AD) are amyloid β (Aβ) deposits and neurofibrillary changes. AD is characterized by memory impairment and cognitive dysfunction, with some reports associating these impairments with hyperexcitability caused by Aβ in the medial temporal lobe. Epileptic seizures are known to be common in AD. We encountered a 65-year-old patient with cavernous malformation (CM) in the right temporal lobe who exhibited epileptic amnesia (EA) and AD-like symptoms. Scalp electroencephalography (EEG), including long-term video-EEG, showed no interictal discharges, but intraop...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Publication date: Available online 10 June 2019Source: NeuroscienceAuthor(s): Justin Quinn Lee, Robert J. McDonald, Robert J. SutherlandAbstractExplanations of memory-guided navigation in rodents typically suggest that cue- and place-based navigation are independent aspects of behaviour and neurobiology. The results of many experiments show that hippocampal damage causes both anterograde and retrograde amnesia (AA; RA) for place memory, but only RA for cue memory. In the present experiments, we used a concurrent cue-place water task (CWT) to study the effects of hippocampal damage before or after training on cue- and place...
Source: Neuroscience - Category: Neuroscience Source Type: research
The fragile X premutation is characterized by a repeat expansion mutation (between 55 to 200 CGG repeats) in the fragile X mental retardation 1 (FMR1) gene, which leads to RNA toxicity at the cellular level. This may cause patients with the premutation to be particularly susceptible to environmental toxins, which could manifest clinically as new or worsening ataxia and memory loss. Multiple published case reports have also suggested general anesthetics as a potential toxin leading to negative side effects when used in patients with fragile X-associated disorders. However, at this time, there have been no formal research st...
Source: Journal of Neurosurgical Anesthesiology - Category: Anesthesiology Tags: Review Articles Source Type: research
This study investigated the expression pattern, regulation of expression, and the role of hippocampal small-conductance Ca2+-activated K+ (SK) channels in memory deficits after cerebral hypoperfusion (CHP) with or without melatonin treatment, in rats. Adults male Wistar rats (n = 20/group) were divided into (1) a sham (2) a sham + melatonin (3) a two-vessel occlusion (2-VO) model, and (4) a 2-VO + melatonin. Melatonin was administered (i.p.) to all rats at a daily dose of 10 mg kg-1 for 7 days starting at the time of 2-VO-induction. In contrast to 2-VO rats, mel...
Source: Neurochemical Research - Category: Neuroscience Authors: Tags: Neurochem Res Source Type: research
The Daily Mail's resident doctor answers your health concerns. This week, he addresses the issue of memory loss.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
Fight Aging! provides a weekly digest of news and commentary for thousands of subscribers interested in the latest longevity science: progress towards the medical control of aging in order to prevent age-related frailty, suffering, and disease, as well as improvements in the present understanding of what works and what doesn't work when it comes to extending healthy life. Expect to see summaries of recent advances in medical research, news from the scientific community, advocacy and fundraising initiatives to help speed work on the repair and reversal of aging, links to online resources, and much more. This content is...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
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