[PDF] Top 20 Partially Mixed Selectivity and Parietal Cortex

... motor cortex (M1), another brain area often used for ...“mixed selectivity”, an increasingly studied way of representing high-dimensional information in a relatively small network of ... See full document

... It has been argued that neurons in most of the PPC areas encode information in so-called “intermediate reference frames” (Duhamel et al. 1997; Mullette-Gillman et al. 2005, 2009), whereby different neurons within an area ... See full document

... of mixed selectivity, neurons can greatly enhance the diversity, and dimensionality of neural representations that can be encoded by a subset of neurons ( Rigotti et ... See full document

... For overall memory performance a mixed-factor ANOVA was conducted for each experiment with the within-subject factor phase (pre-stimulation vs. post-stimulation) and between-subject factor stimulation condition ... See full document

... linear mixed model analysis. Lin- ear mixed model analysis was used to adjust for the nested observations within ...linear mixed model ana- lyses, the group variable (typical versus atypical AD), the ... See full document

... right parietal lobe mediates the allocation of attention across words during ...and mIxEd cAsE was examined. They found that mixed case words were associated with increased activation of the right ... See full document

... this selectivity retrospectively reflects the behavioral meaning of the cue or prospec- tively encodes the movement plan, we trained monkeys to autonomously choose to acquire a target in the absence of direct ... See full document

... Accordingly, this second network is proposed to control goal-directed behavior through the stable maintenance of task sets. Our results are only partially consistent with this dis- tinction. During the ... See full document

... Gamma-Band Synchronization Reorganizes during Spatial Updating The crucial manipulation in this experiment was the in- tervening eye movement, which subjects produced between viewing the target and executing the eye ... See full document

... of parietal networks in AD (Jacobs et ...the parietal cortex in working memory binding. Such selectivity is reinforced by the null effect yielded by the same stimulation on STM processing of ... See full document

... the parietal old/new effect was robust for the group that shifted and essentially non-existent for the group who did ...dorsal parietal activity during the ‘hits > correct rejections’ ...superior ... See full document

... Microelectrode array recordings in monkeys have shown a variety of degrees of learning from a great deal of plasticity to very little plasticity (25, 27–30, 72–74). We have framed the issue as one of individual neuron ... See full document

... the parietal cortex plays a key ...left parietal lobe in the context of pantomiming of object use, we also examined which features of the experimental paradigm and procedures were spe- ci fic to the ... See full document

... the parietal cortex plays a key ...left parietal lobe in the context of pantomiming of object use, we also examined which features of the experimental paradigm and procedures were spe- ci fic to the ... See full document

... the parietal lobe and its subregions, primarily in non-human primates, has uncovered alternative areas that could also benefit neural ...areas, parietal regions can supply information about the trajectories ... See full document

... the parietal memory network (PMN) deactivates in response to perceived stimulus novelty, and activates in response to perceived stimulus familiarity through a process of repetition ... See full document

... Chapter 5 Discussion 5.1 Egocentric Distance and Reference Frames The alignment of disparity tuning curves and gain modulation by vergence angle during movement preparation illustrates that neural activity encodes ... See full document

... of parietal neurons to track rats’ progress along irregular, spatially-defined routes ( Nitz, 2006 ...that parietal neurons encoded route progress irrespective of spatial position or direction of motion, ... See full document

... Together, these studies suggest that observation of irrational actions engages regions of the MNS, in parti- cular right IPL, but also higher-order visual regions (STS and MTG) and mentalizing regions (TPJ and mPFC). ... See full document

... posterior parietal cortex (PPC) of monkeys and prosimian galagos contains a number of subregions where complex, behav- iorally meaningful movements, such as reaching, grasping, and body defense, can be ... See full document