The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements

Abstract The smooth pursuit system has the ability to perform predictive feedforward control of eye movements. This study attempted to examine how stimulus and behavioral histories of past trials affect the control of predictive pursuit of target motion with randomized velocities. We used sequential...

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Autores principales:	Takeshi Miyamoto, Yutaka Hirata, Akira Katoh, Kenichiro Miura, Seiji Ono
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/13c7a807c2e74fffa80e19621cc72f41
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spelling	oai:doaj.org-article:13c7a807c2e74fffa80e19621cc72f412021-11-21T12:18:36ZThe influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements10.1038/s41598-021-01733-12045-2322https://doaj.org/article/13c7a807c2e74fffa80e19621cc72f412021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01733-1https://doaj.org/toc/2045-2322Abstract The smooth pursuit system has the ability to perform predictive feedforward control of eye movements. This study attempted to examine how stimulus and behavioral histories of past trials affect the control of predictive pursuit of target motion with randomized velocities. We used sequential ramp stimuli where the rightward velocity was fixed at 16 deg/s while the leftward velocity was either fixed (predictable) at one of seven velocities (4, 8, 12, 16, 20, 24, or 28 deg/s) or randomized (unpredictable). As a result, predictive pursuit responses were observed not only in the predictable condition but also in the unpredictable condition. Linear mixed-effects (LME) models showed that both stimulus and behavioral histories of the previous two or three trials influenced the predictive pursuit responses in the unpredictable condition. Intriguingly, the goodness of fit of the LME model was improved when both historical effects were fitted simultaneously rather than when each type of historical data was fitted alone. Our results suggest that predictive pursuit systems allow us to track randomized target motion using weighted averaging of the information of target velocity (stimulus) and motor output (behavior) in past time sequences.Takeshi MiyamotoYutaka HirataAkira KatohKenichiro MiuraSeiji OnoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Takeshi Miyamoto Yutaka Hirata Akira Katoh Kenichiro Miura Seiji Ono The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
description	Abstract The smooth pursuit system has the ability to perform predictive feedforward control of eye movements. This study attempted to examine how stimulus and behavioral histories of past trials affect the control of predictive pursuit of target motion with randomized velocities. We used sequential ramp stimuli where the rightward velocity was fixed at 16 deg/s while the leftward velocity was either fixed (predictable) at one of seven velocities (4, 8, 12, 16, 20, 24, or 28 deg/s) or randomized (unpredictable). As a result, predictive pursuit responses were observed not only in the predictable condition but also in the unpredictable condition. Linear mixed-effects (LME) models showed that both stimulus and behavioral histories of the previous two or three trials influenced the predictive pursuit responses in the unpredictable condition. Intriguingly, the goodness of fit of the LME model was improved when both historical effects were fitted simultaneously rather than when each type of historical data was fitted alone. Our results suggest that predictive pursuit systems allow us to track randomized target motion using weighted averaging of the information of target velocity (stimulus) and motor output (behavior) in past time sequences.
format	article
author	Takeshi Miyamoto Yutaka Hirata Akira Katoh Kenichiro Miura Seiji Ono
author_facet	Takeshi Miyamoto Yutaka Hirata Akira Katoh Kenichiro Miura Seiji Ono
author_sort	Takeshi Miyamoto
title	The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
title_short	The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
title_full	The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
title_fullStr	The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
title_full_unstemmed	The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
title_sort	influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/13c7a807c2e74fffa80e19621cc72f41
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The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements

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