ライフサイエンスコーパス: eye position

1 factors (such as uncertainty about vergence eye position).

2 , no brain site has yet been associated with eye position.

3 of auditory spatial shifts after changes in eye position.

4 nses in many cortical areas are modulated by eye position.

5 spatial range and over time after changes in eye position.

6 imaging (fMRI) with concurrent monitoring of eye position.

7 ts and temporally integrates them to control eye position.

8 a larger-scale and stable representation of eye position.

9 analyzed for sensitivity to cue location and eye position.

10 ar attachment was used to stabilize head and eye position.

11 tential that were correlated with changes in eye position.

12 tor" of the goldfish involved in maintaining eye position.

13 ntaining 95% of eye positions or mean SDs of eye position.

14 eye velocity are effectively independent of eye position.

15 cortex (DMFC) of monkeys vary with starting eye position.

16 step-ramp stimuli were similar regardless of eye position.

17 alone, and not to require information about eye position.

18 the eyes still because it stores a memory of eye position.

19 irection from the observed person's head and eye position.

20 anatomical limits, which requires resetting eye position.

21 discharge signal that encodes instantaneous eye position.

22 ons in a manner that is robust to changes in eye position.

23 rons represent both retinotopic location and eye position.

24 h enhanced precision relative to the primary eye position.

25 dy-state gain fields reflect the presaccadic eye position.

26 oint in the visual world is different across eye positions.

27 g vertical eye rotation between two tertiary eye positions.

28 e with the eye at different initial vertical eye positions.

29 l constrictions, head movements, or starting eye positions.

30 horizontal and vertical motion in eccentric eye positions.

31 esponse phases were indistinguishable across eye positions.

32 line stability of pupil size and appropriate eye positioning.

33 tinuous variables such as head direction and eye position(1-4).

34 is invariant and solely dependent on current eye position, a strategy that is optimal for both proces

35 ation of the image tilt that changes with 2D eye position, a view supported by psychophysical experim

36 fully determined by the two-dimensional (2D) eye position acquired.

37 The horizontal and vertical components of eye positions acquired by goal-directed saccades are det

38 main where it has been shown that changes in eye position affect auditory lateralization.

39 Eye position affected not only the responses to sounds (

40 de an accurate and precise representation of eye position, albeit with unequal signal fidelity across

41 However, the eccentric eye positions also involve a torsional component, which

42 We found that eye position altered the activity of about one third of

43 ceeded as in sustained fixation, except that eye position alternated between the three fixation refer

44 Using eye position and a 2D analytical model to map the stimul

45 this estimate in the monkey when a change in eye position and a delay are experimentally added before

46 The visual perturbation shifted the eye position and created a mismatch between perceived an

47 shifted by approximately 40% toward the new eye position and dynamically over several minutes.

48 n firing rate and a significant reduction in eye position and eye velocity sensitivity (i.e., a decre

49 city-to-position integrator by measuring the eye position and firing rates of one population, while p

50 Both eye position and head orientation are influenced by the

51 uring a saccade, the inter-trial variance of eye position and its covariance with eye end position we

52 tion of hand movement, as well as by visual, eye position and limb position signals.

53 ) employs eye-tracking technology to monitor eye position and may be able to measure strabismus.

54 ctions for the cellular-resolution coding of eye position and neural dynamics.

55 Eye position and peak velocity measured during spontaneo

56 instead of retinal coordinates, by combining eye position and retinal image position in each eye and

57 We wished to know whether eye position and retinotopic stimulus location are both

58 ulus-dependent relationships between initial eye position and saccade direction and amplitude.

59 We addressed this issue by predicting eye position and saccade direction from the responses of

60 Eye position and sound location interacted to produce a

61 ntle push to the closed eye, which perturbed eye position and stimulated eye proprioceptors in the ab

62 e anterior parietal cortex in humans encodes eye position and that this signal has a proprioceptive c

63 was not ideal, and resulted in undershoot of eye position and velocity at the moment of object reappe

64 y lower recruitment threshold and also lower eye position and velocity sensitivities.

65 types of motoneuron discharge in relation to eye position and velocity, displaying a tonic-phasic fir

66 Orbital eye position and vestibular sensitivity have both been p

67 inematic constraints that limit the range of eye positions and angular velocities used by the eyes.

68 rated on having subjects practice control of eye positions and eye movements.

69 cally dissimilar configurations of different eye positions and head views.

70 the abducens internuclear (eye velocity and eye position) and ATD (head velocity) pathways, the find

71 us monkey, alongside precise measurements of eye position, and found that most of the variance of fix

72 ischarge homogeneously in relation mainly to eye position, and reflect almost perfect integration of

73 V6 by measuring heading tuning for different eye positions, and we found that the visual heading tuni

74 The brain's memory of horizontal eye position appears to be represented by persistent neu

75 w signals representing saccade direction and eye position are combined across neurons in the lateral

76 Signals related to eye position are essential for visual perception and eye

77 Changes in eye position are known to variably, but inconsistently,

78 All directions of eye position are represented in a single hemisphere.

79 tested whether TVOR rotation axes tilt with eye position as in visually driven systems such as pursu

80 lation of activity with changes in conjugate eye position as tested during smooth-pursuit, thereby ve

81 sate the image tilt associated with specific eye positions as set by Listing's law.

82 er, which calculated horizontal and vertical eye position at 25 Hz as the child attempted steady fixa

83 s was statistically more strongly coupled to eye position at saccade end.

84 e acquiring sufficient resolution to extract eye position, automatic eye gaze following is not establ

85 he visual world as phenomenally invariant to eye position, but almost all cortical maps of visual spa

86 ly depends on extraretinal information about eye position, but it is still unclear whether afferent o

87 Torsional eye position by the disc-fovea angle (DFA) is a relevant

88 othesis that neurons link information across eye positions by remapping the retinal location of their

89 o the retina (eye-centered) but modulated by eye position, called a gain field representation, has pr

90 Thus, information about eye position can modify not only the perceived relations

91 and that ignoring systematic differences in eye position can substantially obscure the modulations s

92 re not explainable by horizontal or vertical eye position changes.

93 nd on integration of eye-velocity signals to eye-position commands, a transformation achieved by a hi

94 During the saccade, eye position continued to depart LP by an average 0.8 de

95 ed using these cone-isolating stimuli and an eye-position-corrected reverse correlation technique pro

96 We propose that accurate maintenance of 3D eye position, critical for the perception of stereopsis,

97 Eye-position data were analyzed to determine whether ret

98 e microsaccades were detected from streaming eye-position data.

99 irs systematically decreased with increasing eye position, demonstrating that synchrony is not necess

100 ically evoked eye velocity exhibits the same eye position dependence as seen in visually guided smoot

101 The slopes for this eye-position dependence averaged 0.7 +/- 0.07 for the TV

102 We characterized population eye-position dependent gain fields (pEGF).

103 sed the spatial (steady-state) attributes of eye position-dependent effects on sound localization.

104 aking advantage of a spatially heterogeneous eye position-dependent modulation of cortical activity.

105 and remove trials in which extreme vertical eye position deviations reduced the effectiveness of the

106 The standard deviation of torsion at a given eye position (Donders' law) was smaller with the modifie

107 ntly been reported to inaccurately represent eye position during a saccadic eye movement, and to be t

108 knowledge of spiking statistics to estimate eye position during fixation from a set of observed spik

109 between their spike trains as a function of eye position during ocular fixations and as a function o

110 neural pathway underlying the prediction of eye position during saccades has been reported.

111 During cFN inactivation, eye position during saccades was statistically more stro

112 urons with activities highly correlated with eye position during spontaneous eye movements.

113 the invisible goal, caused stable offsets in eye position during tracking that were directed away fro

114 ather than the two-dimensional derivative of eye position, during smooth-pursuit eye movements.

115 These eye position effects were appropriate to maintain coding

116 contamination of the neural data because of eye position effects, all experiments with significant e

117 ies, were recruited earlier and showed lower eye position (EP) and eye velocity (EV) sensitivities th

118 ents and injected a transient, instantaneous eye position error signal at different times relative to

119 gnals the direction but not the magnitude of eye-position error during saccade adaptation.

120 n the adaptation paradigm imposed horizontal eye-position errors in one direction and a decrease in a

121 uously monitored to be incorporated into the eye position estimate when a mismatch with the efference

122 gically plausible algorithm that can recover eye positions even before the classic stereo-corresponde

123 strate that Purkinje cells also change their eye position, eye velocity, and head velocity sensitivit

124 To investigate the accuracy and precision of eye position feedback in an unreferenced environment, su

125 interstitial nucleus of Cajal (InC) controls eye position for vertical eye movements and may also con

126 is only expressed within a specific range of eye positions for each neuron.

127 e used multivoxel pattern analysis to decode eye position from the spatial pattern of response amplit

128 visual receptive fields and linear-rectified eye position gain fields accounts for a large portion of

129 e of Neuron, Xu et al. provide evidence that eye-position gain fields in area LIP remain spatially in

130 ar velocity axis equal to half the change in eye position, giving a tilt angle ratio (TAR) of 0.5.

131 e while simultaneously measuring the mouse's eye position, head orientation, and the visual scene fro

132 Eye position helps locate visual targets relative to one

133 ew study of neuronal signals associated with eye position helps to explain not only how the system no

134 nse at a location shifted outward from final eye position (immediate non-veridical feedback).

135 field (FEF) neurons are modulated by initial eye position in a way suggestive of a multiplicative mec

136 The decoder reliably discriminated eye position in five of the early visual cortical areas

137 Here we demonstrate a representation of eye position in monkey primary somatosensory cortex, in

138 Knowledge of eye position in the brain is critical for localization o

139 d gaze evoked small but systematic shifts in eye position in the direction of gaze in the image.

140 Encoding horizontal eye position in the oculomotor system occurs through tem

141 rs of burst-tonic neurons in the encoding of eye position in the primate nucleus prepositus.

142 , perhaps due to difficulties in controlling eye position in this state.

143 nal, as humans can report passive changes in eye position in total darkness, and visual responses in

144 Eye positions in alert behaving turtles with their head

145 analog stimulus (such as spatial location or eye position), in terms of continuous 'bump attractors'

146 sideslip varied as a function of horizontal eye position, in accordance with the half-angle rule of

147 s based on optic flow generally shifted with eye position, indicating an eye-centered spatial referen

148 stent with an alteration in the extraretinal eye position information (efference copy, extraocular mu

149 stent with an alteration in the extraretinal eye position information that is used in spatial localiz

150 ommand and eye muscle proprioception provide eye position information to the brain.

151 at human performance in using this source of eye-position information can be analysed most usefully b

152 e that the modulation of visual responses by eye position is accurate at all times, even around the t

153 Understanding how the brain computes eye position is essential to unraveling high-level visua

154 In rabbits, eye position is exceedingly stable in both alert and ina

155 subspace of the population response encoding eye position is orthogonal to that encoding task context

156 how that a key postural variable for vision (eye position) is represented robustly in male macaque PP

157 Vertical eye position measurements from a video-based dark-pupil

158 able to decode the illusion trajectory using eye position measurements recorded during fMRI scanning,

159 Eye position modulated the level of auditory responses i

160 Studies in monkeys have demonstrated that eye position modulates the gain of visual signals with "

161 Gain fields, the eye-position modulation of visual responses, are thought

162 usoidal and step-ramp responses in eccentric eye positions, no significant differences were found bet

163 demonstrated high resolution measurements of eye position of <0.1 degrees .

164 al eye position of 64 degrees and a vertical eye position of 22 degrees .

165 f 29 degrees , corresponding to a horizontal eye position of 64 degrees and a vertical eye position o

166 The eye positions of three full-time mammographers, one atte

167 The effect of eye position on auditory responses was substantial-compa

168 ades requires neural drive that approximates eye position on longer timescales and is generated throu

169 redictive input may explain the influence of eye position on smooth pursuit maintenance.

170 Overall, the deviating effect of eye position on VOR axis is not influenced by UVD, but c

171 y the log area of ellipses containing 95% of eye positions or mean SDs of eye position.

172 s, mice did not systematically vary relative eye positions or use vergence eye movements when present

173 ained in the pEGFs allowed us to reconstruct eye positions over time across the visual hierarchy.

174 Importantly, the changes in the eye position parameter, reported for the first time, sug

175 we show that this brief misrepresentation of eye position provides a neural explanation for the psych

176 sensitive and specific behavioural (ear and eye position, QBA items, frustration items) and physiolo

177 lends of signals related to eye velocity and eye position, reflecting different stages of integration

178 nstable fixations, approximately half of the eye position-related cells had upward or unstable firing

179 mals with leaky fixations, two-thirds of the eye position-related cells showed leaky firing drift.

180 The remaining eye position-related cells, generally those with lower e

181 Eye position-related differences in retinal or eye motio

182 contralateral inhibitory projections between eye position-related integrator cells are hypothesized a

183 On probe trials, we varied eye position relative to the head to dissociate head- fr

184 d time-delay estimator and the predictor for eye position relative to the head, then hVOR control sys

185 when a targeting saccade caused an error in eye position relative to the target, i.e., during the er

186 r) decoder was nevertheless able to estimate eye position reliably across contexts.

187 th a velocity proportional to +/- horizontal eye position, respectively.

188 Only the response amplitudes depended on eye position; response phases were indistinguishable acr

189 dividuals use CD to anticipate the change in eye position resulting from the first saccade when prepa

190 r local field potentials did not change with eye position; RFs moved with the eye.

191 ost unilateral pairs, composed of cells with eye position sensitivities of the same sign, was positiv

192 Furthermore the slope of the eye position sensitivity tends to be negatively correlat

193 estoration of axotomy-induced alterations in eye position sensitivity, but eye velocity sensitivity w

194 x interactions between stimulus position and eye position set the stage for the eventual convergence

195 ng, as are changes in ocular drift following eye position shifts compensating for brief passive head

196 The eye position signal appeared to interact with the audito

197 decades of research, its contribution to the eye position signal remains controversial.

198 The cerebral cortex must have access to an eye position signal, as humans can report passive change

199 After a fast eye movement, the eye-position signal arrived in V1 at approximately the s

200 Using simulations, we show that this V1 eye-position signal could be used to take into account t

201 stimulation of the DMFC does not disrupt the eye-position signal during the execution of visually-evo

202 If the eye-position signal during visually-evoked saccades is d

203 Eye position signals are pivotal in the visuomotor trans

204 Whereas in the monkey, proprioceptive eye position signals have been recorded in the somatosen

205 We propose that eye movement and eye position signals in PMd do not drive eye movements,

206 The neurons have eye position signals that increase monotonically with in

207 ubtle shortcomings in the accuracy or use of eye position signals.

208 Eye-position signals (EPS) are found throughout the prim

209 Accurate eye-position signals are critically important for locali

210 These cortical eye-position signals are thought to underlie the transfo

211 The data show that eye-position signals are updated predictively, such that

212 We propose that eye-position signals can be exploited by visual cortex a

213 We examined the dynamics of cortical eye-position signals in four dorsal visual areas of the

214 Together, these results suggest that eye-position signals in the dorsal visual system are upd

215 ogether, these results suggest that cortical eye-position signals provide a useable head-centered rep

216 Despite this early start, eye-position signals remain inaccurate until shortly aft

217 signals, and the vestibular input conveying eye-position signals.

218 ioral state with heightened arousal, greater eye position stability, and enhanced decoding performanc

219 dulated by visual stimulation, saccades, and eye position, suggesting a role for this area in visuosp

220 t PRR neurons were affected more strongly by eye position than by initial hand position.

221 endence of three-dimensional eye velocity on eye position that was independent of viewing distance an

222 When tested during pursuit through primary eye position, the majority of the cells preferred either

223 ccade paradigm with concurrent monitoring of eye position, the present study examined error-related a

224 on-related cells, generally those with lower eye position thresholds, showed a more complex pattern o

225 the eye because head orientation influences eye position through the tiltMOR.

226 eyes, the brain must accurately account for eye position to maintain alignment between the two modal

227 ical activity conveys information related to eye position to medial rectus motoneurons.

228 n either with substantial changes in spatial eye position tuning or changes in overall firing rate.

229 Here we describe a procedure for inferring eye position using multi-electrode array recordings from

230 Eye position variability was higher with the array than

231 lusion showed that there was evidence in the eye position, velocity and acceleration data that partic

232 vements for different monetary rewards, with eye position, velocity, and pupil diameter monitored wit

233 Eye position was constant within trials but varied acros

234 While eye position was encoded by the amplitude of network act

235 The effect of eye position was evaluated by computing the tilt angle r

236 Eye position was examined using corneal light reflex tes

237 The modulation of vertical and torsional eye position was greater at 0.125 Hz while the modulatio

238 ral activity maintaining a memory of desired eye position was imaged throughout the oculomotor integr

239 isted of an initial impression, during which eye position was monitored, and a final impression, duri

240 stimuli embedded within dynamic noise, while eye position was tracked.

241 Static eye position was varied from trial to trial to determine

242 Moreover, the scatter of eye positions was offset relative to preinactivation bas

243 Binocular measures of accommodation and eye position were recorded while participants engaged in

244 In addition, we found that eccentric eye positions were associated with enhanced precision re

245 Static eye positions were recorded with head straight and when

246 e show that this method can be used to infer eye position with 1 arc-min accuracy--significantly bett

247 Vertical eye position with respect to target position in simulate

248 Compared with natural vision, horizontal eye position with respect to target position was less st

249 al eye displacement as well as initial/final eye position with respect to the head.

250 have been limited by the inability to track eye position with sufficient accuracy to precisely recon

251 ation to eye acceleration, eye velocity, and eye position, with a stronger acceleration signal than f

252 bjects using visual prostheses incorporating eye position would perform better on perceptual tasks th