Human reaching control in dynamic environments

HT Kalidindi, F Crevecoeur - Current opinion in neurobiology, 2023 - Elsevier
Closed-loop models of movement control have attracted growing interest in how the nervous
system transforms sensory information into motor commands, and several brain structures …

Integration of proprioceptive and visual feedback during online control of reaching

S Kasuga, F Crevecoeur, KP Cross… - Journal of …, 2022 - journals.physiology.org
Visual and proprioceptive feedback both contribute to perceptual decisions, but it remains
unknown how these feedback signals are integrated together or consider factors such as …

Neuronal travelling waves explain rotational dynamics in experimental datasets and modelling

E Kuzmina, D Kriukov, M Lebedev - Scientific Reports, 2024 - nature.com
Spatiotemporal properties of neuronal population activity in cortical motor areas have been
subjects of experimental and theoretical investigations, generating numerous interpretations …

Rotational dynamics in motor cortex are consistent with a feedback controller

HT Kalidindi, KP Cross, TP Lillicrap, M Omrani… - Elife, 2021 - elifesciences.org
Recent studies have identified rotational dynamics in motor cortex (MC), which many
assume arise from intrinsic connections in MC. However, behavioral and neurophysiological …

Continuous evaluation of cost-to-go for flexible reaching control and online decisions

A De Comite, P Lefèvre… - PLOS Computational …, 2023 - journals.plos.org
Humans consider the parameters linked to movement goal during reaching to adjust their
control strategy online. Indeed, rapid changes in target structure or disturbances interfering …

Express visuomotor responses reflect knowledge of both target locations and contextual rules during reaches of different amplitudes

S Contemori, GE Loeb, BD Corneil… - Journal of …, 2023 - Soc Neuroscience
When humans reach to visual targets, extremely rapid (∼ 90 ms) target-directed responses
can be observed in task-relevant proximal muscles. Such express visuomotor responses are …

The microstructure of intra-and interpersonal coordination

G Nazzaro, M Emanuele, J Laroche… - … of the Royal …, 2023 - royalsocietypublishing.org
Movements are naturally composed of submovements, ie recurrent speed pulses (2–3 Hz),
possibly reflecting intermittent feedback-based motor adjustments. In visuomotor …

Symbolic cues enhance express visuomotor responses in human arm muscles at the motor planning rather than the visuospatial processing stage

S Contemori, GE Loeb, BD Corneil… - Journal of …, 2022 - journals.physiology.org
Humans can produce “express”(∼ 100 ms) arm muscle responses that are inflexibly locked
in time and space to visual target presentations, consistent with subcortical visuomotor …

Express arm responses appear bilaterally on upper-limb muscles in an arm choice reaching task

SL Kearsley, AL Cecala, RA Kozak… - Journal of …, 2022 - journals.physiology.org
When required, humans can generate very short latency reaches toward visual targets, such
as catching a falling cellphone. During such rapid reaches, express arm responses are the …

Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers

J Česonis, DW Franklin - PLOS Computational Biology, 2022 - journals.plos.org
The separation of distinct motor memories by contextual cues is a well known and well
studied phenomenon of feedforward human motor control. However, there is no clear …