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Sophie Dix

Researcher at Eli Lilly and Company

Publications -  28
Citations -  1709

Sophie Dix is an academic researcher from Eli Lilly and Company. The author has contributed to research in topics: Electroencephalography & Memantine. The author has an hindex of 16, co-authored 28 publications receiving 1602 citations. Previous affiliations of Sophie Dix include Cardiff University.

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Extending the spontaneous preference test of recognition: evidence of object-location and object-context recognition.

TL;DR: The results showed that rats were sensitive to the changes made in all of the test conditions and that the level of discrimination varied within the 3 min test phase, and the first 2 min were found to be the most sensitive period.
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Sparing of the familiarity component of recognition memory in a patient with hippocampal pathology

TL;DR: Two tests designed specifically to distinguish performance of two putative divisions of recognition memory (the Remember/Know procedure and the use of receiver operating characteristics to distinguish familiarity and recollection), provide evidence for a selective sparing of the familiarity component of recognition.
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NMDA receptors, cognition and schizophrenia – Testing the validity of the NMDA receptor hypofunction hypothesis

TL;DR: Key strengths and weaknesses of each of the NMDAR hypofunction hypothesis approaches are described with regard to their ability to recapitulate the deficits seen in patients, and it is surprisingly difficult to identify any single aspect of cognitive function that possesses complete translational integrity.
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A comparison of the effects of ketamine and phencyclidine with other antagonists of the NMDA receptor in rodent assays of attention and working memory

TL;DR: Overall, the opportunity to induce a selective cognitive deficit in attention (5CSRT) or working memory (DMTP) in the rat is limited by both the NMDAR antagonist and the dose range used.
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Diverse and often opposite behavioural effects of NMDA receptor antagonists in rats: implications for "NMDA antagonist modelling" of schizophrenia.

TL;DR: Despite nominally common mechanisms of action and often presumed biological equivalence, the NMDA antagonists tested produced very diverse effects on the expression of instrumental action, which implications with regard to animal modelling of schizophrenic psychotic symptoms are manifold.