Game device based on brain-machine interface and game method thereof
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A brain-computer interface and game technology, applied in the field of devices based on brain-computer interface, can solve problems such as difference in alpha wave amplitude, and achieve the effect of reducing burden, increasing fun, and fast and reliable real-time control
Inactive Publication Date: 2015-04-29
CHONGQING UNIV
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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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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. The corresponding game completion time will be displayed.
[0081] The specific operation method of the game is as follows:
[0082] If the operator wants the cursor to move upward, he needs to keep his eyes closed until he hears a voice prompt and opens his eyes;
[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 hears three voice prompts and then opens his eyes;
[0085] If the operator wants the cursor to move upward, he needs to keep his eyes closed until he hears four voice prompts and open his eyes;
[0086] If the operator wishes to restart the gam...
Embodiment 2
[0093] The game is a Tetris game. During the game, the cube will continuously move from the top to the bottom of the screen at a certain speed. According to the personal situation of the subject and the proficiency of cursor control, the game level can be independently selected before the game starts. The higher the level, the higher the level. A higher value means that the block will fall faster. There will be a reminder of the block that will appear next time in the interface.
[0094] The specific operation method of the game is as follows:
[0095] If the operator wants the block to move to the left, he needs to keep his eyes closed until he hears a voice prompt and opens his eyes;
[0096] If the operator wants the block 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 cube to rotate 90 degrees, he needs to keep his eyes closed until he hears three voice prompts and then o...
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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 present 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 (Brain Computer Interface, BCI) is a kind of human brain and computer or other electronic equipment established, based on EEG signals without relying on the conventional human brain information output channels such as peripheral nerves and muscle tissue, to achieve 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 various EEG signals. This will create a new way of communicating with the outside world for those who are completely incapacitated due to diseases such as amyotrophic lateral sclerosis, brainstem injuries, severe spinal cord injuries, or due to unfortunate events such as car accidents. aisle. [0003] Alpha waves are one of the main com...
Claims
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