Search Results - "Christoffersen, Gert R.J"

Piracetam inhibits Pavlovian extinction and reversal learning in a spatial task for rats by Christoffersen, Gert R.J, Kemp, Anne, Örlygsdottir, Gudbjörg

“…Young male rats, trained in a spatial three-choice test, showed improved task acquisition after chronic treatment with piracetam (250 mg kg −1). After reaching…”
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Differential effects of mGluR1 and mGlur5 antagonism on spatial learning in rats by Petersen, Steffen, Bomme, Carsten, Baastrup, Cathrine, Kemp, Anne, Christoffersen, Gert R.J

“…The effects of selective mGluR1 and mGluR5 antagonists on long-term acquisition were tested in a spatial three-choice reward-finding test. Bilateral prelimbic…”
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Task-specific enhancement of short-term, but not long-term, memory by class I metabotropic glutamate receptor antagonist 1-aminoindan-1,5-dicarboxylic acid in rats by Christoffersen, Gert R.J, Christensen, Lone H, Harrington, Nicholas R, Macphail, Euan M, Riedel, Gernot

“…Pharmacological application of broad agonists and antagonists has supported the notion of a potential role of metabotropic glutamate receptors (mGluRs) in…”
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Electrophysiological CNS-processes related to associative learning in humans by Christoffersen, Gert R.J., Schachtman, Todd R.

“…•The plasticity of human EEG-processes during classical or operant conditioning has been investigated since the 1930s.•The processes include sensory evoked…”
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Metabotropic glutamate receptor subtype 5 antagonism in learning and memory by Simonyi, Agnes, Schachtman, Todd R., Christoffersen, Gert R.J.

“…The role of the metabotropic glutamate receptor 5 (mGlu 5 receptor) in learning and memory and other behaviors are reviewed by examining the influence of…”
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Impairments of exploration and memory after systemic or prelimbic D1-receptor antagonism in rats by Clausen, Bettina, Schachtman, Todd R., Mark, Louise T., Reinholdt, Mette, Christoffersen, Gert R.J.

“…► Systemic applications of a dopaminergic D1 receptor antagonist dose-dependently reduced spatial exploration and object exploration. ► Appetitive spatial…”
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Long-Term Visuo-Gustatory Appetitive and Aversive Conditioning Potentiate Human Visual Evoked Potentials by Christoffersen, Gert R J, Laugesen, Jakob L, Møller, Per, Bredie, Wender L P, Schachtman, Todd R, Liljendahl, Christina, Viemose, Ida

“…Human recognition of foods and beverages are often based on visual cues associated with flavors. The dynamics of neurophysiological plasticity related to…”
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Appetitive long-term taste conditioning enhances human visually evoked EEG responses by Viemose, Ida, Møller, Per, Laugesen, Jakob L., Schachtman, Todd R., Manoharan, Thukirtha, Christoffersen, Gert R.J.

“…•Human visual evoked potentials were analyzed after visuo-gustatory conditioning.•Conditioning enhanced the amplitude and duration of the N2–P3 wave.•N2 and P3…”
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MGlu5 antagonism impairs exploration and memory of spatial and non-spatial stimuli in rats by Christoffersen, Gert R.J., Simonyi, Agnes, Schachtman, Todd R., Clausen, Bettina, Clement, David, Bjerre, Vicky K., Mark, Louise T., Reinholdt, Mette, Schmith-Rasmussen, Kati, Zink, Lena V.B.

“…Metabotropic glutamate receptor subtype 5 (mGlu5) has been implicated in memory processing in some but not all learning tasks. The reason why this receptor is…”
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Contributions from eye movement potentials to stimulus preceding negativity during anticipation of auditory stimulation by Engdahl, Lis, Bjerre, Vicky K., Christoffersen, Gert R. J.

“…Cognitive anticipation of a stimulus has been associated with an ERP called “stimulus preceding negativity” (SPN). A new auditory delay task without…”
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Effects of piracetam on the performance of rats in a delayed match-to-position task by Christoffersen, Gert R.J., Von Linstow Roloff, Eva, Nielsen, Karin Sandager

“…1. 1. The influence of acute and chronic treatment with piracetam on spatial working memory of rats was examined. A new version of an operant chamber “delayed…”
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The role of metabotropic glutamate receptor 5 in learning and memory processes by Simonyi, Agnes, Schachtman, Todd R, Christoffersen, Gert R J

“…Metabotropic glutamate receptor 5 (mGluR5), a subtype in the group I mGluRs, couples to phospholipase C through Gq protein. Stimulation of mGluR5 leads to the…”
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