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公开(公告)号：US20210186410A1
公开(公告)日：2021-06-24
申请号：US16769462
申请日：2018-11-19
Inventor： Takashi NISHIYAMA , Yoshihiro MATSUMURA , Kengo ABE
Abstract: Cognitive decline detection system includes obtainment unit and determination unit. Obtainment unit obtains the amount of movement during a sleep period and the amount of movement during a non-sleep period of a user for each day, the non-sleep period being the period other than the sleep period. Determination unit determines that the cognitive function of the user is lower during a determination period than during a comparison period set before the determination period when the frequency of days when a movement amount ratio falls below a predetermined ratio among days constituting the determination period is higher than that among days constituting the comparison period, the movement amount ratio representing the ratio of the amount of movement during the non- sleep period to the amount of movement during the sleep period.
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公开(公告)号：US20210177340A1
公开(公告)日：2021-06-17
申请号：US16759573
申请日：2018-10-15
Inventor： Sadayuki SUMI , Ryosuke NAGUMO , Kengo ABE , Yoshihiro MATSUMURA , Takashi NISHIYAMA , Hirobumi NAKAJIMA , Kohji SASABE , Makoto KARIYASU , Takako YOSHIMURA , Minoru TOYAMA
IPC: A61B5/00
Abstract: A cognitive function evaluation device includes: an obtainment unit that obtains utterance data indicating a voice of an evaluatee uttering a sentence as instructed; a calculation unit that calculates, from the utterance data obtained by the obtainment unit, a feature based on the utterance data; an evaluation unit that compares the feature calculated by the calculation unit to reference data indicating a relationship between voice data indicating a voice of a person and a cognitive function of the person to evaluate the cognitive function of the evaluatee; and an output unit that outputs the sentence to be uttered by the evaluatee and outputs a result of evaluation by the evaluation unit.
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公开(公告)号：US20210000411A1
公开(公告)日：2021-01-07
申请号：US16978313
申请日：2019-03-15
Inventor： Ryosuke NAGUMO , Sadayuki SUMI , Mitsuharu HOSOKAWA , Kengo ABE , Yoshihiro MATSUMURA , Takashi NISHIYAMA , Makoto KARIYASU , Takako YOSHIMURA , Minoru TOYAMA
Abstract: A cognitive function evaluation device includes an acquirer that acquires speech data that indicates speech uttered by an evaluatee in response to a task given to the evaluatee; an evaluator that evaluates a cognitive function of the evaluatee by performing a first evaluation based on a proportion of speaking time of the evaluatee in a predetermined period in the speech data acquired by the acquirer and a second evaluation based on a fundamental frequency in the speech data acquired by the acquirer; and an outputter that outputs an evaluation result obtained from the evaluation performed by the evaluator.
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公开(公告)号：US20180325467A1
公开(公告)日：2018-11-15
申请号：US15776391
申请日：2016-11-09
Inventor： Yoshihiro MATSUMURA , Tomoharu NAKAHARA , Tomohiko FUJITA
CPC classification number: A61B5/743 , A61B5/0077 , A61B5/11 , A61B5/112 , A61B5/1128 , A61B2562/0219 , A61B2576/00
Abstract: A gait motion display system including: a triaxial accelerometer, attached to the subject, that measures acceleration data of a subject in walking; an imaging unit that takes images of the subject in walking to obtain moving image data showing gait motions of the subject; a recording unit that records the acceleration data and the moving image data in synchronization with each other; an identification unit that converts the acceleration data recorded by the recording unit into horizontal displacement data and vertical displacement data, and identifies, from the moving image data, a representative image corresponding to a representative motion in a gait cycle, based on the horizontal displacement data or the vertical displacement data; and a display that displays an image illustration of the representative motion in the gait cycle, with the representative image identified by the identification unit.
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