Invasive cognitive brain computer interfaces to enhance and restore attention:

proof of concept and underlying cortical mechanisms 

Tracking attention in real time

Attention can be tracked from Neuronal activity

Prefrontal attentional saccades explore space rhythmically

Nat Commun 11, 925 (2020). https://doi.org/10.1038/s41467-020-14649-7 

Attention can be tracked from local field potentials

BEHAVIORAL VALIDATION OF NOVEL HIGH RESOLUTION ATTENTION DECODING METHOD FOR MULTI-UNITS AND LOCAL FIELD POTENTIALS 

NeuroImage, 231: 117853 (2021). https://doi.org/10.1016/j.neuroimage.2021.117853  

Attention can be tracked from fMRI signals

NON6INVASIVE REAL-TIME ACCESS TO SPATIAL ATTENTION INFORMATION FROM 3T fMRI BOLD SIGNALS 

BioRxiv (2021) https://doi.org/10.1101/2021.11.24.469873

Temporal dynamics of spatial attention

Attentional saccades explore space at 8 Hz

Prefrontal attentional saccades explore space rhythmically

Nat Commun 11, 925 (2020). https://doi.org/10.1038/s41467-020-14649-7 

Attentional information varies at 5-7 cycles per hour

ATTENTIONAL BRAIN RHYTHMS DURING PROLONGED COGNITIVE ACTIVITY 

BioRxiv (2021) https://doi.org/10.1101/2021.05.26.445730  

Attention interacts with states of distractability to impulsivity

Distractibility and impulsivity neural states are distinct from selective attention and modulate the implementation of spatial attention

Nat Commun 13, 4796 (2022). https://doi.org/10.1038/s41467-022-32385-y 

ATTENTION IS MULTIPLEXED WITH OTHER SOURCES OF INFORMATION

ATTENTION SIGNALS IS MULTPLEXED WITH TEMPORAL INFORMATION

DISTINCT NEURAL STATES ENCODE TASK IDENTITY IN FRONTAL EYE FIELD AND INTERACT WITH ITS CORE SPATIAL PROPERTIES

BioRxiv, (2023) https://doi.org/10.1101/2023.11.20.567885  

SPATIAL ORIENTATION SIGNALS IS MULTIPLEXED WITH TASK INFORMATION

Multiple focal cortical pulvinar projection fields in the macaque cortex

BioRxiv (2023) https://www.biorxiv.org/content/10.1101/2023.09.05.556340v1 

SPATIAL Attention IS MULTIPLEXED with SUSTAINED ATTENTION SIGNALS

Distractibility and impulsivity neural states are distinct from selective attention and modulate the implementation of spatial attention

Nat Commun 13, 4796 (2022). https://doi.org/10.1038/s41467-022-32385-y 

Behavioral and neural effects of attention-based neurofeedback

Attention-based neurofeedback enhances sustained attention

(ongoing)

Neurofeedback reinforces top-down attentional control

(ongoing)

Neurofeedback implements within manifold learning

(ongoing)


Copyrights Suliann Ben Hamed 2023.