What happens to functional connectivity between dorsal and ventral visual streams when people use visual landmarks to aim a reach?
Find out here:
www.biorxiv.org/content/10.1...
@drrubino.bsky.social
VISTA (Vision: Science to Applications) Postdoctoral Fellow. Centre for Vision Research, York University, Toronto ON. Human neuroimaging, eye-hand coordination, motor learning, stroke. Previous: NSERC-PhD @UBC, Public Scholar & Friedman Scholar.
What happens to functional connectivity between dorsal and ventral visual streams when people use visual landmarks to aim a reach?
Find out here:
www.biorxiv.org/content/10.1...
[4/4] In sum: Both systems exhibited implicit sequence-specific learning after 3 days of practice, demonstrating that eye movements contribute to implicit motor sequence learning. However, the two systems were not always coordinated, suggesting a dynamic relationship.
26.03.2025 16:27 β π 0 π 0 π¬ 0 π 0[3/4] When examining the relationship between the two systems during practice, we found that reaches were typically faster when preceded by faster-latency (express) saccades. And the magnitude of implicit sequence-specific performance was correlated between the systems, but not always!
26.03.2025 16:27 β π 0 π 0 π¬ 1 π 0[2/4] ...and relatively permanent changes in behaviour, as assessed at a delayed retention test. Notably, saccades were more sensitive to repeated movements and required less practice to exhibit sequence-specific changes.
26.03.2025 16:27 β π 0 π 0 π¬ 1 π 0[1/4] We tracked saccades and arm reaches across 3 days of practice and at a delayed retention test, allowing us to distinguish improvements related to practice from more lasting changes associated with motor sequence learning. Saccades, just like arm reaches, showed sequence-specific improvements..
26.03.2025 16:27 β π 0 π 0 π¬ 1 π 0Excited to share our latest study (work from my PhD)! We investigated the effects of practice of an implicit motor sequence task on both oculomotor and limb motor systems.
[Read on to learn more...]
@lboyd47.bsky.social
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