The perirhinal cortex
Webb27 dec. 2024 · Here, we investigated whether the perirhinal cortex (PER) and postrhinal cortex (POR), the upstream regions of the LEC and MEC, respectively, could be dissociated similarly. We conducted four tasks by combining different stimulus and response types. Webb1 juli 2005 · Overall, it is concluded that most, though not all, of the recent findings are in support of the proposal that a system centering on the perirhinal cortex is responsible for familiarity discrimination, particularly for single items, although there remain examples of the independent operation of the hippocampal and perIRhinal systems. Expand
The perirhinal cortex
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WebbImportantly, lesions of the perirhinal cortex produce similar deficits and also lead to object discrimination impairments when the test objects … Webb26 nov. 1996 · Cells in the perirhinal cortex, in the lateral entorhinal cortex, and in the subiculum showed selective or coarse tuning to odor stimuli, indicating that the parahippocampal region encodes specific odor representations. In addition, odor representations in each of these areas was observed to persist through the memory delay.
Webb10 apr. 2024 · Here, we identified neural signatures of a predictive map of task behavior in perirhinal cortex (Prh). Mice learned to perform a tactile working memory task by classifying sequential whisker stimuli over multiple training stages. Chemogenetic inactivation demonstrated that Prh is involved in task learning. WebbThe importance of the perirhinal cortex for visual recognition memory performance is undisputed. However, it has not been clear whether its contribution to performance is …
Webb10 apr. 2024 · However, perirhinal cortex showed the highest overall pathology burden among BBII cases, followed by entorhinal cortex, and finally amygdala in our sample set. This suggests that, while amygdala is the likely origin of pTDP-43 inclusions, it is surpassed in pathology density by the perirhinal and entorhinal cortices respectively even at early … Webb1 okt. 2008 · In the guinea pig, the highest value of DCX expression is found laterally to primary auditory cortex in the posterior insula and anterior perirhinal cortex (Figs 1A and 2, guinea pig column). In both species, the level of DCX expression is reduced caudally although the posterior perirhinal and postrhinal cortex show the highest values of DCX …
Webb13 aug. 2001 · Regional definitions of perirhinal areas 35 and 36 and the postrhinal cortex were confirmed and new empirical analyses of previously reported quantitative connectional data were confirmed. Cytoarchitectonic and histochemical analyses were carried out for perirhinal areas 35 and 36 and the postrhinal cortex, providing the first …
WebbThe parahippocampal region, as defined in this review, comprises the cortical regions that surround the rodent hippocampus including the perirhinal, postrhinal, and entorhinal … incline forceWebb25 jan. 2006 · The most substantial inputs to the amygdala originate in the rostral half of the entorhinal cortex, the temporal end of the CA1 subfield and subiculum, and areas 35 and 36 of the perirhinal cortex. The amygdaloid nuclei receiving the heaviest inputs are the lateral, basal, accessory basal, and central nuclei as well as the amygdalohippocampal … incline from vertical crosswordWebb13 apr. 2024 · For this reason, Gonçalves Pereira et al. (Pereira et al., 2005) subsumed the PC and adjacent regions under the term ‘piriform cortex—cortical amygdala area’. PC forms a network with the perirhinal and entorhinal cortex, connecting it tightly to the limbic system, in particular the hippocampus. incline from vertical crossword clueThe perirhinal cortex is a cortical region in the medial temporal lobe that is made up of Brodmann areas 35 and 36. It receives highly processed sensory information from all sensory regions, and is generally accepted to be an important region for memory. It is bordered caudally by postrhinal cortex or parahippocampal cortex (homologous regions in rodents and primates, respectively) and ventrally and medially by entorhinal cortex. incline frictionWebbinvestigated the origins of cortical input to the rat perirhinal (areas 35 and 36) and postrhinal cortices and the lateral and medial subdivisions of the entorhinal cortex (LEA … incline french pressWebb1 apr. 1999 · It is widely acknowledged that the perirhinal cortex, located in the ventromedial aspect of the temporal lobe, is essential for certain types of memory in macaque monkeys. For example, removal of the perirhinal cortex yields severe impairments on tests of stimulus recognition and stimulus–stimulus association. There … incline friction problemsWebbWe have refined a semiquantitative visual rating system for assessing medial temporal atrophy (VRS-MTA), initially developed by Scheltens et al. , so as to produce reliable, valid and independent assessments of atrophy in the anterior aspects of the ERC, HP (including the subiculum and CA1 regions) and perirhinal cortex. incline for bassinet