ライフサイエンスコーパス: allocentric

1 Ego] cue), always in a given maze arm (added allocentric [Allo] cue), both, or neither.

2 information about one's orientation in both allocentric and egocentric coordinates.

3 Allocentric and egocentric neglect symptoms at the sub-a

4 These results show that allocentric and egocentric reach mechanisms use partiall

5 Allocentric and egocentric rotations of the head and the

6 dHip) and parietal cortex (PC) in processing allocentric and egocentric space during acquisition and

7 Here, we report that allocentric and egocentric spatial representations are b

8 utable to the failure to distinguish between allocentric and egocentric spatial representations in ex

9 formation of a memory representation that is allocentric and thus independent of our starting point w

10 n spatial representations in world-centered (allocentric) and self-centered (egocentric) frames of re

11 question whether the POR HD signal is truly allocentric as opposed to simply being a response to vis

12 also uses gravity to remain anchored to the allocentric bearings in the earth-horizontal plane.

13 This finding suggests that allocentric behavior relies on two dissociable sensory p

14 for woodland over non-woodland habitat, but allocentric-biased individuals exhibited weaker avoidanc

15 signal of egocentric boundary distance into allocentric boundary vector cell firing, suggesting that

16 However, the allocentric code of boundary vector cells and place cell

17 l space navigation involves hippocampal (HC) allocentric codes, while abstract task space engages med

18 Supporting the allocentric coding scheme, we found the intrinsic bias ,

19 ore complex interplay between egocentric and allocentric coding than they acknowledge.

20 gation in situations that require a flexible allocentric cognitive mapping strategy, but not for situ

21 and episodic experiences using CSCGs yields allocentric cognitive maps that are suitable for plannin

22 he hippocampus binds reward information into allocentric cognitive maps to support navigation and for

23 on cells form key units of world-referenced, allocentric cognitive maps, but the neural basis of self

24 In an allocentric condition, subjects navigate around a circul

25 lls that exhibit the predicted egocentric-by-allocentric conjunctive characteristics and anticipate o

26 of an animal's position using egocentric and allocentric coordinate systems.

27 at parietal cortex helps translating between allocentric coordinates and egocentric directions.

28 f CGp neurons encodes visuospatial events in allocentric coordinates.

29 -both of which are encoded in world-centred (allocentric) coordinates-to generate a body-centred (ego

30 a potentially important role for slope as an allocentric cue for goal location.

31 previous associations between HD neurons and allocentric cues is maintained and influences the intern

32 ormance, suggesting a failure to use distal (allocentric) cues.

33 mpus in processing egocentric-procedural and allocentric-declarative sequential information, respecti

34 The results show that an apparent allocentric deficit in children and aged navigators is c

35 resent an ideal candidate to investigate the allocentric determinants of the brain's cognitive map.

36 relation to self (egocentric) or landmarks (allocentric) differ between species or populations accor

37 ays aligned with its goal angle-that is, the allocentric direction in which it wishes to progress for

38 to estimate self-motion and the distance and allocentric direction of walls, and to detect drop-offs.

39 ations were dominated by facing location and allocentric direction, mostly in head, rather than gaze,

40 m to maintain a consistent representation of allocentric direction.

41 us and the inferior occipital gyrus, whereas allocentric directional selectivity (target relative to

42 Subsets of place cells show allocentric directional tuning toward the beacon, with s

43 ocampal nor parietal cortex lesions impaired allocentric distance discrimination.

44 st be destroyed to impair working memory for allocentric distance information.

45 and parietal cortex in mediating memory for allocentric distance information.

46 s impaired working-memory representation for allocentric distance, whereas parietal cortex lesions re

47 lls, which respond to boundaries at specific allocentric distances and directions,(20)(,)(21)(,)(22)(

48 Jeffery et al. characterize the egocentric/allocentric distinction as discrete.

49 RSC neuronal activity is modulated by allocentric, egocentric, and route-centered spatial refe

50 Specifically, we propose that the allocentric encoding of location provided by path integr

51 head (egocentric) or relative to the world (allocentric encoding).

52 Finally, when egocentric and allocentric estimates were put in conflict, the model su

53 displayed egocentric footage (AOMI(EGO)) or allocentric footage (AOMI(ALLO)) of the Osoto Gari, or C

54 elative position of these segments within an allocentric framework.

55 anding how visual information relates to the allocentric global spatial representations known to be e

56 t the brain transforms these signals into an allocentric, gravity-centered representation of the worl

57 ation of visual landmark information into an allocentric HD signal.

58 area that may serve as a hub for integrating allocentric head direction (HD) cell information with eg

59 entric representations of physical cues with allocentric head direction (HD) information.

60 unction of egocentric cue light location and allocentric head direction in rats running a random sequ

61 und strong encoding of allocentric position, allocentric head direction, boundary distance, and linea

62 unction of egocentric landmark bearings with allocentric head direction.

63 odel that explains how this circuit compares allocentric heading and goal angles to build an egocentr

64 p is analogous to the long-term, long-range, allocentric hippocampal map.

65 ether egocentric (i.e., viewer-dependent) or allocentric (i.e., dependent on external environment or

66 and nonverbal tests, participants preferred allocentric (i.e., environment-based) space on the left-

67 egocentric information (the body plane) and allocentric information (the gravity axis).

68 Critically, allocentric information was encoded without cost to egoc

69 entral thalamic nuclei for the processing of allocentric information, projections not associated with

70 e high biological cost of processing precise allocentric information.

71 ncoded space by assigning distinct phases to allocentric isocontour levels of each cell's spatial fir

72 on to show a very similar pattern of chronic allocentric learning and accelerated forgetting in a sta

73 aired egocentric (Cincinnati water maze) and allocentric learning and caused reference memory deficit

74 ject recognition (NOR), egocentric learning, allocentric learning, reference memory, and proximal cue

75 xes an array of spatial strategies including allocentric learning.

76 , as well as a disruption in the encoding of allocentric location by conjunctive HD/egocentric cells.

77 uch information could be used to compute the allocentric location of landmarks from visual cues and t

78 of the environment into position within the allocentric map.

79 ic space requires a neural representation of allocentric (map-based) vectors to boundaries, objects a

80 r survival, including storing memories in an allocentric (map-like) framework and conversion into ego

81 ce learning and suggest that deficiencies in allocentric mapping may contribute to these deficits.

82 lts indicate that lesions of the dHip impair allocentric maze acquisition, whereas lesions of the PC

83 m that geometry controls behavior through an allocentric mechanism potentially tied to the hippocampu

84 Rats that had been pretrained on 2 tests of allocentric memory (water maze and T maze) received bila

85 derlie beacon discrimination performance and allocentric memory.

86 eacon discrimination and compensatory use of allocentric memory.

87 ntrols were assessed on their egocentric and allocentric navigation abilities in VR environments usin

88 vigation and aspects of memory, particularly allocentric navigation and episodic memory.

89 rmore, hippocampal volume reduction impaired allocentric navigation beyond what can be predicted by m

90 e of non-woodland habitat, where we expected allocentric navigation to be more effective.

91 TTX groups showed significant impairments in allocentric navigation, but not visually cued navigation

92 on, manifested by poor hippocampus-dependent allocentric navigation, may occur well before the clinic

93 e right hippocampus plays a critical role in allocentric navigation, particularly when cognitive impa

94 Allocentric navigational plans must be converted to an e

95 f space made these participants as efficient allocentric navigators as young adults.

96 n falling on the individual's left side) and allocentric neglect (neglect of the left side of each ob

97 gocentric neglect in one task (tracing), and allocentric neglect in another task (copying), suggestin

98 Studies of allocentric neglect report no or limited data on visual

99 ngular gyrus were associated with persistent allocentric neglect.

100 Left "allocentric" neglect (errors on the left sides of indivi

101 We examine "allocentric" neglect from Rosenholtz's perspective, focu

102 in the mammalian limbic system implement an allocentric neuronal compass.

103 ons of hippocampal CA1 neurons, one encoding allocentric object location and another, egocentric obje

104 can be independently achieved by adopting an allocentric or egocentric strategy.

105 other individual, either in egocentric or in allocentric perspective.

106 Rats with HPC lesions can learn about allocentric place cues when navigation and idiothetic cu

107 to study encoding and retrieval of one-trial allocentric place memory in rats; memory relied on visuo

108 ocampal NMDA and AMPA receptors to one-trial allocentric place memory may be central to episodic memo

109 Allocentric place memory may serve to specify the contex

110 at encoding, but not retrieval, of one-trial allocentric place memory requires the NMDA receptor-depe

111 uccessful performance required the use of an allocentric place strategy, which was increasingly obser

112 a firmly established response strategy to an allocentric place strategy.

113 and observed that hippocampus can encode the allocentric place, while PC encodes upcoming actions and

114 iplexed and encoded path distance, angle and allocentric position in a sequence, thus encoding a jour

115 ain encode a local, nonperiodic variable-the allocentric position of the animal-with a periodic, nonl

116 vely form a population code for the animal's allocentric position(1).

117 In all regions, we found strong encoding of allocentric position, allocentric head direction, bounda

118 ience and were exclusively tuned to animals' allocentric position.

119 olchicus, using a dual-strategy maze with an allocentric probe trial, before releasing them (n = 20)

120 h previous research, age-related deficits in allocentric processing result in shifts in preferred nav

121 c reach (remember absolute target location), allocentric reach (remember target location relative to

122 These results suggest that allocentric reasoning does not conform to normative Baye

123 The allocentric reference frame given by path integration tr

124 d reference frame proclivity (egocentric vs. allocentric reference frame) of 1823 participants.

125 e encoded in the hippocampal formation in an allocentric reference frame, but motor movements that co

126 orners across environmental geometries in an allocentric reference frame.

127 as well as the animal's head direction in an allocentric reference frame.

128 he hippocampus, decisions are anchored to an allocentric reference frame.

129 oal location anchored the map of space to an allocentric reference frame.

130 essary transformation between egocentric and allocentric reference frames by placing visual cues at i

131 oral contextual information between ego- and allocentric reference frames to compute predictions abou

132 be tuned to sound location in egocentric and allocentric reference frames, can also localize sounds i

133 ibit directional tuning within egocentric or allocentric reference frames.

134 h target can be encoded in egocentric and/or allocentric reference frames.

135 Gravity may provide a ubiquitous allocentric reference to the brain's spatial orientation

136 two periods of movement can be explained by allocentric references like distance to reward port.

137 r dorsal regions, such as those representing allocentric relations, 3D shape, and tools.

138 IP may play a key role in creating a stable, allocentric representation of the environment defined re

139 to the transformation between egocentric and allocentric representations and the underlying neurocogn

140 tively well described, but the corresponding allocentric representations are essentially unknown.

141 ications for the way in which egocentric and allocentric representations interface in other brain are

142 d cells in the hippocampal formation provide allocentric representations of space.

143 iently navigate as if referencing map-like ('allocentric') representations.

144 ests a coordinated mechanism for integrating allocentric, route-centered, and egocentric spatial refe

145 tex provides an internal reference frame for allocentric self-localization.

146 cribed here reveals how two population-level allocentric signals are compared in the brain to produce

147 ween representations of non-self-referenced (allocentric) social network structure, self-referenced (

148 l evidence that the MTL computes location in allocentric space and more recent evidence that the MTL

149 e, we asked how the neural representation of allocentric space is distorted by goal-directed behavior

150 ity of prospective representations including allocentric space(9), time(10,11) and episodes(12).

151 In the hippocampus, place cells encode allocentric space, but their firing rates may also exhib

152 ed also relative to the body, or in absolute allocentric space, to allow orientation toward the sound

153 hly specialized neural circuits that process allocentric space.

154 re affected by inputs from MEC that contains allocentric spatial cells.

155 It was hypothesized that allocentric spatial coding, as a special high-level cogn

156 oint and the head angle of rats, with a weak allocentric spatial component similar to that in primate

157 s task were based on somatotopic rather than allocentric spatial coordinates.

158 entric cues to solve the procedural task and allocentric spatial cues to solve the declarative task.

159 arietal cortex and hippocampus to memory for allocentric spatial cues, the authors trained rats on a

160 hinal grid and HD cells exhibit consistently allocentric spatial firing properties.

161 or the acquisition and on-line processing of allocentric spatial information but not for the maintena

162 rtant role in processing both egocentric and allocentric spatial information.

163 component of a neural network that processes allocentric spatial information.

164 amage are impaired in learning and recalling allocentric spatial information.

165 erfacing egocentric sensory information with allocentric spatial maps of the world formed by neurons

166 In contrast, here we show that allocentric spatial memory frequently operates over a li

167 of this task while sparing performance of an allocentric spatial memory task performed in a radial ar

168 he hippocampus is specifically important for allocentric spatial memory, e.g., the hippocampus is esp

169 amus (AT) and parahippocampal (PH) cortex on allocentric spatial memory.

170 y is not to episodic memory generally but to allocentric spatial memory.

171 Our aim was to determine whether allocentric spatial navigation impairment would be propo

172 fluence of intrahippocampal ANI infusions on allocentric spatial navigation using the Morris water ma

173 Allocentric spatial navigation was tested in the real-sp

174 patially modulated gamma oscillations encode allocentric spatial positions.

175 may contribute to path integration and basic allocentric spatial processing, whereas the late maturat

176 show that boundary-based and landmark-based allocentric spatial recall are similarly impaired in pat

177 We investigated allocentric spatial recall using a virtual environment i

178 s solve this optical illusion by adopting an allocentric spatial reference frame.

179 tion requires coordination of egocentric and allocentric spatial reference frames and may involve vec

180 coordinates anchored to the head or body and allocentric spatial referencing.

181 es not rely exclusively on the processing of allocentric spatial relationships in the maze environmen

182 is critical for the establishment or use of allocentric spatial representations and that selective d

183 may contribute to the increased precision of allocentric spatial representations and the temporal int

184 The neural basis of allocentric spatial representations has been extensively

185 Here we review the emerging literature on allocentric spatial representations in 3-D and discuss t

186 locus of interactions between egocentric and allocentric spatial representations in the mammalian bra

187 w the presence of retinotopy relates to more allocentric spatial representations.

188 a hub for the integration of egocentric and allocentric spatial representations.

189 self-motion or a cognitive task to generate allocentric spatial selectivity that is scalar, abstract

190 s have demonstrated that both egocentric and allocentric spatial signals are reflected by the firing

191 strated impairments in the acquisition of an allocentric spatial task, in patients with unilateral hi

192 textual retrieval task was not influenced by allocentric spatial trajectory, but rather by the animal

193 locations, so that monkeys had to rely on an allocentric (spatial relational) representation of the e

194 e human performance by considering relative (allocentric) spatial information as an independent local

195 bian association of sensory information with allocentric state representations in the hippocampus, an

196 to landmark coding, and predict recovery of allocentric strategies in geometrically polarized enviro

197 re characterized mainly in terms of impaired allocentric strategies.

198 Use of an allocentric strategy and formation of a spatial referenc

199 These results suggest that allocentric strategy deficits in ageing can result from

200 d that bumblebees predominantly exhibited an allocentric strategy in the three experiments.

201 the majority of North-Americans preferred an allocentric strategy, while Latin-Americans preferred an

202 regulation of neural activity and use of an allocentric strategy.

203 The allocentric structure of investigation and approach indi

204 There was also greater activation for the allocentric task in right posterior hippocampus and left

205 or use of priors in our cognitively-complex (allocentric) task, unlike in previous, simpler (egocentr

206 location was specified), the egocentric and allocentric tasks elicited widely overlapping regions of

207 observable environments using egocentric and allocentric tasks.

208 higher activation in early visual cortex for allocentric tasks.

209 ronal circuit that performs an egocentric-to-allocentric (that is, body-centred to world-centred) coo

210 ntation could be modified from egocentric to allocentric through manipulating the task demands whilst

211 oding in RSC, but not vice versa, indicating allocentric-to-egocentric transformation.

212 e fan-shaped body that explicitly tracks the allocentric travelling angle of a fly, that is, the trav

213 formation and vector addition to compute the allocentric travelling direction.

214 creased with distance for egocentric but not allocentric units, whereas, for both populations, modula

215 erience-dependent tuning to path-centric and allocentric variables to form episodic sequences support

216 ons, but evidence of neuron-level memory for allocentric vectors has been lacking.

217 ulating the transform with information about allocentric velocity, the equations code for position of

218 the transformation from egocentric views to allocentric views.

219 prior information effectively when using an allocentric (world-based) frame.

220 This study examined allocentric (world-based) spatial memory, an important c

221 Allocentric (world-centered) spatial codes driven by pat

222 d in terms of egocentric (body-centered) and allocentric (world-centered) wayfinding bhavior.