Modeling the simulated real-world optic flow motion aftereffect

Abstract

the aftereffect was selective for global optical flow rate, suggesting that the aftereffect reflects gain changes at processing levels where a sense of self-motion is generated. RESULTS were used in a computational model of this MAE, which was a modified framework by van de Grind et al. [Vision Res.44, 2269 (2004)].

Optic Flow Induces Nonvisual Self-Motion Aftereffects

“…In particular, we examined whether sustained exposure to a visual self-motion stimulus (i.e., optic flow) induces a subsequent bias in nonvisual (i.e., vestibular) self-motion perception in the opposite direction in darkness. Although several previous studies have investigated self-motion aftereffects [3][4][5][6], none have demonstrated crossmodal transfer, which is the strongest proof that the adapted mechanisms are generalized for self-motion processing. The crossmodal aftereffect was quantified using a motion-nulling procedure in which observers were physically translated on a motion platform to find the movement required to cancel the visually induced aftereffect.…”

“…In particular, rigorous quantitative characterization of visual motion aftereffects has provided important clues about the neurophysiological and computational mechanisms that underlie visual motion processing [16][17][18]. Because visual motion is a dominant cue to self-motion, and because of compelling demonstrations of visual aftereffects particularly selective for visual self-motion stimuli (e.g., expanding and contracting optic flow [19][20][21]), the question has previously been raised about the possibility of analogous aftereffects for self-motion perception [3][4][5][6]. Prior studies have examined self-motion aftereffects in response to both visual [3,5,6] and vestibular [4,[22][23][24] stimuli.…”

“…Because visual motion is a dominant cue to self-motion, and because of compelling demonstrations of visual aftereffects particularly selective for visual self-motion stimuli (e.g., expanding and contracting optic flow [19][20][21]), the question has previously been raised about the possibility of analogous aftereffects for self-motion perception [3][4][5][6]. Prior studies have examined self-motion aftereffects in response to both visual [3,5,6] and vestibular [4,[22][23][24] stimuli. Many of these studies have used methods in which subjects were explicitly instructed to indicate the duration, direction, and/or magnitude of the aftereffect [3,5,6].…”

“…Prior studies have examined self-motion aftereffects in response to both visual [3,5,6] and vestibular [4,[22][23][24] stimuli. Many of these studies have used methods in which subjects were explicitly instructed to indicate the duration, direction, and/or magnitude of the aftereffect [3,5,6]. These explicit instructions can potentially bias observer responses.…”

Computational Modeling of the Effects of Sleep Deprivation on the Vigilance Decrement

“…The expression for the leaky integrator is a first-order linear differential equation (Patterson, Tripp, Rogers, & Boydstun, 2009):…”