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The performance of normal rats and that of rats with hippocampal system damage were compared on acquisition of different versions of the same two-odor discrimination task that placed different encoding and representational demands on memory. Rats with fornix lesions were impaired when explicit comparisons among multiple odor cues and differential response(More)
The contribution of hippocampal and nonhippocampal memory processing to simultaneous-cue odor discrimination learning was assessed. In this task, rats with hippocampal system damage consequent to fornix lesions (fornix rats) were severely and persistently impaired in discrimination learning, acquisition of learning set, and concurrent discrimination,(More)
BACKGROUND Many screening instruments for the diagnosis of dementia are not education and culture fair. In addition, despite good sensitivity and specificity, they result in unacceptable levels of false positives when used in the community. This study aimed to develop appropriate instruments for populations with low literacy and to consider strategies to(More)
BACKGROUND Scrub typhus, caused by Orientia tsutsugamushi, is endemic in the Asia-Pacific region. Mortality is high if untreated, and even with treatment as high as 10-20%, further knowledge of the immune response during scrub typhus is needed. The current study was aimed at comparing plasma levels of a variety of inflammatory mediators in scrub typhus(More)
BACKGROUND This multi-center study from India details the profile and outcomes of patients admitted to the intensive care unit (ICU) with pandemic Influenza A (H1N1) 2009 virus [P(H1N1)2009v] infection. MATERIALS AND METHODS Over 4 months, adult patients diagnosed to have P(H1N1)2009v infection by real-time RT-PCR of respiratory specimens and requiring(More)
BACKGROUND The burden of the pandemic (H1N1) 2009 influenza might be underestimated if detection of the virus is mandated to diagnose infection. Using an alternate approach, we propose that a much higher pandemic burden was experienced in our institution. METHODOLOGY/PRINCIPAL FINDINGS Consecutive patients (n = 2588) presenting to our hospital with(More)
The nitroimidazole group of antibiotics like metronidazole have been reported to cause cerebellar ataxia as a rare side effect. Ornidazole, the newest derivative of this class, has a long half life and is very rarely known to cause cerebellar ataxia. Here, we report a 61-year-old patient who developed ataxia due to ornidazole to highlight an unusual adverse(More)
INTRODUCTION Staphylococcus aureus (S. aureus) causes a variety of infections, ranging from a mild skin infection to blood stream infections and deep seated infections. As Stapylococcus aureus bacteremia (SAB) has the tendency to cause endovascular and metastatic infections, complications can occur at almost all sites of the body. Hence, SAB is associated(More)
Aspergillus is a saprophytic fungus which is universally found in the environment. Most people breathe in the spores of Aspergillus every day without development of disease. It commonly affects immunocompromised hosts. There are only few reported cases in an immunocompetent host. It most commonly affects the respiratory system, causing superficial or(More)
A previous model of hippocampal region function in classical conditioning is generalized to H. (1989) simultaneous odor discrimination studies in rats. The model assumes that the hippocampal region forms new stimulus representations that compress redundant information while differentiating predictive information; the piriform (olfactory) cortex meanwhile(More)
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