US 12,093,456 B2
Brain-computer interface
Nicolas Barascud, Paris (FR); Paul Roujansky, Paris (FR); Clement Royen, Paris (FR); and Sid Kouider, Paris (FR)
Assigned to NextMind SAS, Paris (FR)
Appl. No. 17/629,714
Filed by NextMind SAS, Paris (FR)
PCT Filed Jul. 31, 2020, PCT No. PCT/EP2020/071702
§ 371(c)(1), (2) Date Jan. 24, 2022,
PCT Pub. No. WO2021/019088, PCT Pub. Date Feb. 4, 2021.
Claims priority of provisional application 62/880,704, filed on Jul. 31, 2019.
Prior Publication US 2022/0276707 A1, Sep. 1, 2022
Int. Cl. G06F 3/01 (2006.01); G06F 18/214 (2023.01)
CPC G06F 3/015 (2013.01) [G06F 18/214 (2023.01); G06F 2218/02 (2023.01); G06F 2218/12 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A computer implemented method comprising, in at least one processor:
in an initial phase, receiving, from a neural signal capture device, a first set of neural signals for a user, the user perceiving sensory information in a training sequence, the training sequence including one or more sensory stimuli, each sensory stimulus having at least one predetermined corresponding characteristic;
determining, from the first set of neural signals and the training sequence, neural response data associated with each of the one or more sensory stimuli, the neural response data being combined to generate a model of user neural response to sensory stimuli, the model of user neural response to sensory stimuli including weights applied to features of the neural signals;
in a calibration phase, receiving, from the neural signal capture device, a second set of neural signals for the user, the user perceiving further sensory information in a confirmation sequence, the confirmation sequence including at least one of the sensory stimuli;
using the model of user neural response to sensory stimuli, estimating which of the sensory stimuli is an object of focus of the user as an estimated identification of the object of focus;
determining whether the estimated identification of the object of focus corresponds to the sensory stimuli in the confirmation sequence;
if a correspondence is determined, modifying the weights; and
if no correspondence is determined, modifying the sensory stimuli in the confirmation sequence.