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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

Glun2b N‐methyl‐D‐aspartic acid receptor subunit mediates atorvastatin‐Induced neuroprotection after focal cerebral ischemia
This study evaluates whether atorvastatin (ATV) treatment affects the GluN1 and GluN2B subunits of the N‐methyl‐D‐aspartic acid receptor in the somatosensory cerebral cortex at short and long periods following ischemia. Sham and ischemic male Wistar rats received 10 mg/kg of ATV or placebo by gavage every 24 hr for 3 consecutive days. The first dose was administered 6 hr after ischemia–reperfusion or the sham operation. ATV treatment resulted in faster recovery of neurological scores than placebo, prevented the appearance of pyknotic neurons, and restored microtubule‐associated protein 2 and neuronal nuclei stain...
Source: Journal of Neuroscience Research - June 17, 2014 Category: Neuroscience Authors: Johanna Andrea Gutierrez‐Vargas, Juan Ignacio Muñoz‐Manco, Luis Miguel Garcia‐Segura, Gloria Patricia Cardona‐Gómez Tags: Research Article Source Type: research