Neural information detecting system
An information detection and neural technology, applied in the field of neural information detection system, can solve the problem that the neural information detection instrument cannot match the microelectrode array
Active Publication Date: 2015-05-06
INST OF ELECTRONICS CHINESE ACAD OF SCI
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[0005] In order to solve one or more of the above problems, the present invention provides a neural information detection system to solve the problem that the neural information detection instrument with a fixed channel number cannot match the microelectrode array with various channel numbers
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[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0019] It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. And in the drawings, the embodiments are marked for simplification or convenience. Furthermore, elements or implementations not shown or described in the drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters comprising particular values may be provided herein, the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values within acceptable error margins or design constraints.
[0020] In an exemplary embodiment of the present invention, a neural information d...
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The invention discloses a neural information detecting system which comprises an electrophysiology module, a data acquisition module, an analog switch array and a central processing module. The electrophysiology module comprises N electrophysiology signal channels; the data acquisition module is connected with the electrophysiology module and is used for sampling electrophysiology data acquired by the N electrophysiology signal channels of the electrophysiology module and performing analog-digital conversion on the data; the analog switch array comprises N analog switch channels, each analog switch channel comprises an electrophysiology signal switch, the front end of each electrophysiology signal switch is connected to a micro-electrode, and the rear end of each electrophysiology signal switch is connected to the corresponding electrophysiology signal channel; the central processing module is connected with the analog switch array and the data acquisition module and is used for controlling on and off of the electrophysiology signal switch of each analog switch channel. The neural information detecting system has the advantage that the problem that a neural information detecting instrument with a fixed quantity of channels is incompatible with micro-electrode arrays with different quantities of channels is solved.
Description
technical field [0001] The invention relates to the field of signal detection in the electronic industry, in particular to a neural information detection system. Background technique [0002] The pulse discharge of nerve cells and the release of neurotransmitters (chemical substances) are a fast and transient process. Nerve information detection captures the process of pulse discharge and neurotransmitter release synchronously at high speed and in real time, so as to study the pathogenesis of certain diseases It has important scientific significance and clinical value in terms of mechanism, nerve signal transmission, and drug response. At the same time, the response of organisms to external events and every process of information processing requires the joint action of many nerve cells. Therefore, it is a convenient method in neuroscience research to simultaneously detect the electrophysiological activities of multiple brain nerve cells. , Normal information acquisition met...
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IPC IPC(8): A61B5/04
Inventor 徐声伟蔡新霞林楠森王蜜霞宋轶琳刘春秀
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI