Cue control and head direction cells

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August undefined, 2024

WebHead-direction (HD) cells are found with invariant temporal firing coordination, independent of sensory inputs or brain state, generating a single-direction signal. We show that the … WebLandmark control and updating of self-movement cues are largely maintained in head direction cells after lesions of the posterior parietal cortex 2008 • Jeffrey Taube , Jeffrey …

Hippocampal Place Cell Instability after Lesions of the Head Direction ...

WebMay 1, 2001 · As a rat navigates through space, neurons called head-direction (HD) cells provide a signal of the rat's momentary directional heading. Although partly guided by … WebAccurate navigation depends on a network of neural systems that encode the moment-to-moment changes in an animal's directional orientation and location in space. Within this … ttl 44

(PDF) Cue control and head direction cells - ResearchGate

WebThe head direction cells were the second class of spatially responsive neuron to be discovered in rodents – place cells were the first, but we describe head direction cells … WebJan 1, 1998 · The f CUE CONTROL AND HEAD DIRECTION CELLS 751 fact that such a small amount of time is required for cues to outside of … WebDec 3, 2024 · Head-direction cells preferentially discharge when the head points in a particular azimuthal direction, are hypothesized to collectively function as a single neural system for a unitary direction sense, and are believed to be essential for navigating extra-personal space by functioning like a compass. phoenix flight academy il

Place cells, head direction cells, and the learning of landmark ...

Cue control and head direction cells

WebFeb 3, 2015 · Abstract and Figures. Head direction (HD) cells are neurons found in the hippocampal formation and connected areas that fire as a function of an animal's … WebJul 1, 1998 · The firing properties of place cells and head direction cells are controlled by an interaction between landmarks and idiothetic cues, just as an animal's spatial …

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WebMar 1, 1995 · Under these conditions, the cue card had much weaker control over the place fields and head direction cells in the rats that had been disoriented during training than in the rats that had not been disoriented. WebFeb 4, 2024 · Attention is classically classified according to mode of engagement into voluntary and reflexive, and type of operation into covert and overt. The first distinguishes whether attention is elicited intentionally or by unexpected events; the second, whether attention is directed with or without eye movements. Recently, this taxonomy has been …

WebIt appears that the strength of cue control over place cells and head direction cells depends on the rat’s learned perception of the stability of the cues. [Key words: place … WebSep 15, 2024 · Two cortical regions that are connected to primary visual areas, postsubiculum (PoS) and retrosplenial cortex (RSC), possess HD cells: we investigated whether they differ in how they process visual landmarks. Methods: We compared PoS and RSC HD cell activity from tetrode-implanted rats exploring an arena in which… View on …

WebThe occurrence of cells that encode spatial location (place cells) or head direction (HD cells) in the rat limbic system suggests that these cell types are important for spatial navigation. We sought to determine whether place fields of hippocampal CA1 place cells would be altered in animals receiving lesions of brain areas containing HD cells. WebSep 19, 2024 · The head direction system encompasses a network of interconnected brain regions that incorporate angular head velocity signals with additional sensory information …

WebApr 13, 2024 · These include cross-membrane transport (e.g., nutrients, salts, water), cell volume control, secretion, the cell cycle, and migration [ 13, 25 ]. Additionally, Vm allows for cognitive and motor function through neuronal signaling, resulting in organismal, tissue, or cellular sensory detection, and locomotive movement [ 25 ].

WebAug 1, 1998 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our … ttl46WebApr 15, 2003 · The results suggest that the precise firing locations of place cells are controlled by an interaction between local and idiothetic cues, and the orientation of the CA1 ensemble representation relative to thedistal landmarks may be controlled indirectly by the distal landmarks’ influence over the bearing of the head direction cell system. 62 ttl44WebHD cell activity also was assessed after rotation of a novel visual cue exposed to the rat for 1, 3, or 8 min. An 8-min exposure was enough time for a novel visual cue to gain control … phoenix flight school utahWebFeb 2, 2014 · We suggest that cue conflict resolution is critically dependent on plastic remapping of visual information onto the HD cell layer. This remap results in a shift in preferred directions of a subset of HD cells, which is then inherited by the rest of the cells during path integration. ttl 47.5WebAug 1, 1998 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. ttl43WebMar 17, 2014 · Head direction (HD) cells in the rodent brain have been investigated for a number of years, providing us with a detailed understanding of how the rodent brain codes for allocentric direction. Allocentric direction refers to the orientation of the external environment, independent of one’s current (egocentric) orientation. phoenix flight simulator download freeWebFeb 2, 2014 · Single-cell recordings in the limbic system of rats and primates reveal the presence of head direction (HD) cells, which respond to the animal's HD in the … ttl340驱动