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Game device based on brain-machine interface and game method thereof

A brain-computer interface and game device technology, which is applied in the field of brain-computer interface-based devices, can solve problems such as differences in alpha wave amplitude, and achieve the effects of reducing burdens, reducing social costs, and simple game operations

Inactive Publication Date: 2012-06-20
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Almost all people with normal brain nerve function can significantly increase the alpha wave amplitude in EEG after closing their eyes for a short time. There are significant differences in the alpha wave amplitude values ​​in each state

Method used

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  • Game device based on brain-machine interface and game method thereof
  • Game device based on brain-machine interface and game method thereof
  • Game device based on brain-machine interface and game method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] The game is to control the cursor to move from the starting point to the end point along the specified route. The game operator is allowed to make mistakes during the game, such as a short deviation from the route, as long as the loop line can be adjusted and the end point is reached, the game is successful. The corresponding game completion time will be displayed.

[0081] The specific operation method of the game is:

[0082] If the operator wants the cursor to move upwards, he needs to keep his eyes closed until he opens his eyes after hearing a voice prompt;

[0083] If the operator wants the cursor to move downward, he needs to keep his eyes closed until he hears two voice prompts and then opens his eyes;

[0084] If the operator wants the cursor to move to the left, he needs to keep his eyes closed until he opens his eyes after hearing three voice prompts;

[0085] If the operator wants the cursor to move upwards, he needs to keep his eyes closed until he opens his eyes af...

Embodiment 2

[0093] The game is a Tetris game. During the game, the cubes will continue to move from the top to the bottom of the screen at a certain speed. According to the subject’s personal situation and proficiency in cursor control, the game level can be independently selected before the game starts. High means the faster the cube will fall. There will be a prompt for the next box to appear in the interface.

[0094] The specific operation method of the game is:

[0095] If the operator wants the box to move to the left, he needs to keep his eyes closed until he hears a voice prompt and then opens his eyes;

[0096] If the operator wants the box to move to the right, he needs to keep his eyes closed until he hears two voice prompts and then opens his eyes;

[0097] If the operator wants the square to rotate 90 degrees, he needs to keep his eyes closed until he hears three voice prompts and then opens his eyes;

[0098] If the operator wants the box to move downward, he needs to keep his eyes ...

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Abstract

The invention discloses a game device based on a brain-machine interface. The game device comprises an electrode, a brain electrical signal collecting box and a PC (personal computer), wherein the electrode is used for collecting original stimulated brain electrical signals generated when an operator opens and closes eyes; the brain electrical signal collecting box is used for carrying out the amplification, filtration and analog-digital conversion on the collected original stimulated brain electrical signals and transmitting the signals to the PC; and the PC is used for receiving digital signals sent by the brain electrical signal collecting box, carrying out filtration and energy average treatment, comparing with a threshold voltage and generating an impulse control command used for controlling the operation of a target in a game. According to the invention, the operator can regulate brain electrical signals through opening or closing the eyes so as to achieve the rapid and reliable real-time operation control of the game, and the game operation is simple; and the game device disclosed by the invention has the characteristics of high input impedance, high common-mode rejection ratio, low noise, low drifting and the like in the aspect of brain electrical signal collection.

Description

Technical field [0001] The invention relates to a game device and method, in particular to a device and method based on a brain-computer interface. Background technique [0002] Brain Computer Interface (BCI) is a conventional human brain information output channel established by the human brain and a computer or other electronic equipment based on EEG signals and not relying on peripheral nerves and muscle tissues. A new communication system for information exchange and control between people and the outside world. The purpose of BCI research is to identify the user's intention from a variety of different brain electrical signals. This will create a new way to communicate with the outside world for those who are completely disabled due to diseases such as amyotrophic lateral sclerosis, brain stem injury, severe spinal cord injury, or due to unfortunate events such as car accidents. aisle. [0003] The alpha wave is one of the main components of the spontaneous EEG signal, which...

Claims

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Application Information

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IPC IPC(8): A63F13/10A63F13/00G06F3/01A61B5/0476A63F13/23A63F13/45
Inventor 张莉王宇丁陈民铀何传红简文娟
Owner CHONGQING UNIV
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