Long-term stability of cortical ensembles
Neuronal ensembles, coactive groups of neurons found in spontaneous and evoked cortical
activity, are causally related to memories and perception, but it is still unknown how stable or …
activity, are causally related to memories and perception, but it is still unknown how stable or …
Contribution of behavioural variability to representational drift
Neuronal responses to similar stimuli change dynamically over time, raising the question of
how internal representations can provide a stable substrate for neural coding. Recent work …
how internal representations can provide a stable substrate for neural coding. Recent work …
The phenomenon of policy churn
We identify and study the phenomenon of policy churn, that is, the rapid change of the
greedy policy in value-based reinforcement learning. Policy churn operates at a surprisingly …
greedy policy in value-based reinforcement learning. Policy churn operates at a surprisingly …
[PDF][PDF] Two-photon synthetic aperture microscopy for minimally invasive fast 3D imaging of native subcellular behaviors in deep tissue
Holistic understanding of physio-pathological processes requires noninvasive 3D imaging in
deep tissue across multiple spatial and temporal scales to link diverse transient subcellular …
deep tissue across multiple spatial and temporal scales to link diverse transient subcellular …
Self-healing codes: How stable neural populations can track continually reconfiguring neural representations
As an adaptive system, the brain must retain a faithful representation of the world while
continuously integrating new information. Recent experiments have measured population …
continuously integrating new information. Recent experiments have measured population …
Long-term stability of single neuron activity in the motor system
How an established behavior is retained and consistently produced by a nervous system in
constant flux remains a mystery. One possible solution to ensure long-term stability in motor …
constant flux remains a mystery. One possible solution to ensure long-term stability in motor …
Learning in a sensory cortical microstimulation task is associated with elevated representational stability
R Pancholi, L Ryan, S Peron - Nature communications, 2023 - nature.com
Sensory cortical representations can be highly dynamic, raising the question of how
representational stability impacts learning. We train mice to discriminate the number of …
representational stability impacts learning. We train mice to discriminate the number of …
[PDF][PDF] Exercise increases information content and affects long-term stability of hippocampal place codes
Physical exercise is known to augment brain functioning, improving memory and cognition.
However, while some of the physiological effects of physical activity on the brain are known …
However, while some of the physiological effects of physical activity on the brain are known …
Learning leaves a memory trace in motor cortex
How are we able to learn new behaviors without disrupting previously learned ones? To
understand how the brain achieves this, we used a brain-computer interface (BCI) learning …
understand how the brain achieves this, we used a brain-computer interface (BCI) learning …
Drifting neuronal representations: Bug or feature?
The brain displays a remarkable ability to sustain stable memories, allowing animals to
execute precise behaviors or recall stimulus associations years after they were first learned …
execute precise behaviors or recall stimulus associations years after they were first learned …