[PDF][PDF] Propagating motor cortical dynamics facilitate movement initiation

K Balasubramanian, V Papadourakis, W Liang… - Neuron, 2020 - cell.com
Voluntary movement initiation involves the modulations of large groups of neurons in the
primary motor cortex (M1). Yet similar modulations occur during movement planning when …

Spatio-temporal patterning in primary motor cortex at movement onset

MD Best, AJ Suminski, K Takahashi, KA Brown… - Cerebral …, 2016 - academic.oup.com
Voluntary movement initiation involves the engagement of large populations of motor
cortical neurons around movement onset. Despite knowledge of the temporal dynamics that …

M1 dynamics share similar inputs for initiating and correcting movement

PJ Malonis, NG Hatsopoulos, JN MacLean… - bioRxiv, 2021 - biorxiv.org
Motor cortex is integral to generating voluntary movement commands. However, as a
dynamical system, it is unclear how motor cortical movement commands are informed by …

Neuronal activity in motor cortical areas reflects the sequential context of movement

Y Ben-Shaul, R Drori, I Asher, E Stark… - Journal of …, 2004 - journals.physiology.org
Natural actions can be described as chains of simple elements, whereas individual motion
elements are readily concatenated to generate countless movement sequences. Sequence …

Motor primitives in space and time via targeted gain modulation in cortical networks

JP Stroud, MA Porter, G Hennequin, TP Vogels - Nature neuroscience, 2018 - nature.com
Motor cortex (M1) exhibits a rich repertoire of neuronal activities to support the generation of
complex movements. Although recent neuronal-network models capture many qualitative …

Microcircuitry coordination of cortical motor information in self-initiation of voluntary movements

Y Isomura, R Harukuni, T Takekawa, H Aizawa… - Nature …, 2009 - nature.com
Motor cortex neurons are activated at different times during self-initiated voluntary
movement. However, the manner in which excitatory and inhibitory neurons in distinct …

Temporal complexity and heterogeneity of single-neuron activity in premotor and motor cortex

MM Churchland, KV Shenoy - Journal of neurophysiology, 2007 - journals.physiology.org
The relationship between neural activity in motor cortex and movement is highly debated.
Although many studies have examined the spatial tuning (eg, for direction) of cortical …

Proactive inhibition is marked by differences in the pattern of motor cortex activity during movement preparation and execution

V Rawji, S Modi, L Rocchi… - Journal of …, 2022 - journals.physiology.org
Successful human behavior relies on the ability to flexibly alter movements depending on
the context in which they are made. One such context-dependent modulation is proactive …

Preparatory activity and the expansive null-space

MM Churchland, KV Shenoy - Nature Reviews Neuroscience, 2024 - nature.com
The study of the cortical control of movement experienced a conceptual shift over recent
decades, as the basic currency of understanding shifted from single-neuron tuning towards …

Interplay between external inputs and recurrent dynamics during movement preparation and execution in a network model of motor cortex

L Bachschmid-Romano, NG Hatsopoulos, N Brunel - Elife, 2023 - elifesciences.org
The primary motor cortex has been shown to coordinate movement preparation and
execution through computations in approximately orthogonal subspaces. The underlying …