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Relevant bibliographies by topics / Sequential saccade programming

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Academic literature on the topic 'Sequential saccade programming'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "Sequential saccade programming"

1

Azadi, Reza, Elizabeth Y. Zhu, and Robert M. McPeek. "Modulation of saccade trajectories during sequential saccades." Journal of Neurophysiology 125, no. 3 (2021): 796–804. http://dx.doi.org/10.1152/jn.00106.2020.

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We show that in saccade sequences, saccade trajectory is modulated in the direction of the preceding saccade and away from the following saccade. The magnitude of this effect is correlated with preceding and following saccade amplitude. This confirms that programming of sequential saccades overlaps. Curvature is also correlated with the deviation of saccade start and end points. Thus, we propose a novel benefit for the modulation of saccade trajectories: minimizing end point error in sequential saccades.

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McSorley, Eugene, Iain D. Gilchrist, and Rachel McCloy. "The role of fixation disengagement in the parallel programming of sequences of saccades." Experimental Brain Research 237, no. 11 (2019): 3033–45. http://dx.doi.org/10.1007/s00221-019-05641-9.

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Abstract One of the core mechanisms involved in the control of saccade responses to selected target stimuli is the disengagement from the current fixation location, so that the next saccade can be executed. To carry out everyday visual tasks, we make multiple eye movements that can be programmed in parallel. However, the role of disengagement in the parallel programming of saccades has not been examined. It is well established that the need for disengagement slows down saccadic response time. This may be important in allowing the system to program accurate eye movements and have a role to play

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3

Basu, Debaleena, and Aditya Murthy. "Parallel programming of saccades in the macaque frontal eye field: are sequential motor plans coactivated?" Journal of Neurophysiology 123, no. 1 (2020): 107–19. http://dx.doi.org/10.1152/jn.00545.2018.

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We use sequences of saccadic eye movements to continually explore our visual environments. Previous behavioral studies have established that saccades in a sequence may be programmed in parallel by the oculomotor system. In this study, we tested the neural correlates of parallel programming of saccade sequences in the frontal eye field (FEF), using single-unit electrophysiological recordings from macaques performing a sequential saccade task. It is known that FEF visual neurons instantiate target selection whereas FEF movement neurons undertake saccade preparation, where the activity correspond

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4

Findlay, John M., and Robin Walker. "How are saccades generated?" Behavioral and Brain Sciences 22, no. 4 (1999): 706–13. http://dx.doi.org/10.1017/s0140525x99552151.

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Our target article discussed how emerging knowledge of the physiological processes involved in the control of saccadic eye movements provided the basis for a functional framework in which to understand the programming of such movements. The commentators raised many interesting issues in their varied responses that ranged from detailed discussion of the physiological substrate through issues of saccade control in reading. New evidence at the physiological level demonstrates that some elaborations are needed to the framework we proposed. Most clearly, the spatial selection process operates in a

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5

Xing, Jing, and Richard A. Andersen. "Memory Activity of LIP Neurons for Sequential Eye Movements Simulated With Neural Networks." Journal of Neurophysiology 84, no. 2 (2000): 651–65. http://dx.doi.org/10.1152/jn.2000.84.2.651.

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Many neurons in macaque lateral intraparietal cortex (LIP) maintain elevated activity induced by visual or auditory targets during tasks in which monkeys are required to withhold one or more planned eye movements. We studied the mechanisms for such memory activity with neural network modeling. Recurrent connections among simulated LIP neurons were used to model memory responses of LIP neurons. The connection weights were computed using an optimization procedure to produce desired outputs in memory-saccade tasks. One constraint for the training process is the “single-purpose” rule, which mimics

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6

Ludwig, Casimir J. H., John W. Mildinhall, and Iain D. Gilchrist. "A Population Coding Account for Systematic Variation in Saccadic Dead Time." Journal of Neurophysiology 97, no. 1 (2007): 795–805. http://dx.doi.org/10.1152/jn.00652.2006.

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During movement programming, there is a point in time at which the movement system is committed to executing an action with certain parameters even though new information may render this action obsolete. For saccades programmed to a visual target this period is termed the dead time. Using a double-step paradigm, we examined potential variability in the dead time with variations in overall saccade latency and spatiotemporal configuration of two sequential targets. In experiment 1, we varied overall saccade latency by manipulating the presence or absence of a central fixation point. Despite a la

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7

Radach, Ralph, Heiner Deubel, and Dieter Heller. "Attention, saccade programming, and the timing of eye-movement control." Behavioral and Brain Sciences 26, no. 4 (2003): 497–98. http://dx.doi.org/10.1017/s0140525x03430100.

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E-Z Reader achieves an impressive fit of empirical eye movement data by simulating core processes of reading in a computational approach that includes serial word processing, shifts of attention, and temporal overlap in the programming of saccades. However, when common assumptions for the time requirements of these processes are taken into account, severe constraints on the time line within which these elements can be combined become obvious. We argue that it appears difficult to accommodate these processes within a largely sequential modeling framework such as E-Z Reader.

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8

Basu, Debaleena, Naveen Sendhilnathan, and Aditya Murthy. "Neck muscle activity reflects neural patterns of sequential saccade planning in head-restrained primates." Journal of Neurophysiology, September 7, 2022. http://dx.doi.org/10.1152/jn.00267.2022.

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Goal-directed behavior involves the transformation of neural movement plans into appropriate muscle activity patterns. Studies involving single saccades have shown that a rapid pathway links saccade planning in frontal eye fields (FEF) to neck muscle activity. However, it is unknown if the rapid connection between FEF and neck muscle is also maintained during sequential saccade planning. Using neural recordings from FEF, and electromyographic (EMG) recordings from the dorsal neck muscle of head-restrained monkeys, we show that neural sequence planning signals are largely preserved in the neck

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Dissertations / Theses on the topic "Sequential saccade programming"

1

Basu, Debaleena. "Neural Mechanisms underlying the planning of sequential saccades." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4076.

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Saccades are rapid eye movements that we continually make (about 2-3 times per second) to look around and scan our visual environment. Though we effortlessly execute saccadic eye movements all the time, they are not just reflexive movements; saccades have been shown to involve multifaceted cognitive control mechanisms. This property of saccades, combined with the fact that saccadic parameters are easily measurable, and that the neural circuitry for saccade generation is fairly well established, has established saccadic eye movements to be an excellent tool to study motor planning and decision-

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