Near-infrared spectroscopy detection method of ambient light modulated brain cognitive function

Abstract

The invention belongs to the technical field of brain science cognition, and particularly relates to a near-infrared spectroscopy detection method of an ambient light modulated brain cognition function. According to the method, functional near-infrared spectroscopy (fNIRS) is utilized, a classical paradigm Stroop of cognitive behavioral psychology is combined, and the influence of ambient light change on the cognitive function of a human brain is explored for a prefrontal cortex (PFC) area with high correlation with the cognitive function of the human brain; The near-infrared spectroscopy detection method comprises the steps of designing an experiment environment; designing psychological Stroop experiment stimulation rules; designing an experiment process; building an experiment system; configuring a detection channel; combining a Stroop psychological test method with the fNIRS for testing; and finally, carrying out fNIRS data processing. Brain activation area images under different illumination conditions are obtained, and brain area channels with significant difference (P is smaller than 0.05) under different illumination conditions are obtained through t test, which proves thatthe channels are activated due to ambient light change.

Description

technical field [0001] The invention belongs to the cognitive technical field of brain science, and in particular relates to a near-infrared spectrum detection method for ambient light modulation of brain cognitive function. Background technique [0002] Brain function is the mode of operation presented in the process of human interaction with the real world, revealing the mystery of brain function is one of the most important challenges facing human beings. As far as science is concerned, the human brain remains largely uncharted territory. "Understanding the brain", "protecting the brain" and "creating the brain" are the goals and purposes of brain science development plans formulated by many countries. Among them, "understanding the brain" is not only to understand the anatomical structure of the brain, but more importantly, to understand the working mechanism of the brain, especially the advanced cognitive activities produced by the brain (learning, thinking, language, ...

AI Technical Summary

Problems solved by technology

For example, when the subject is asked to answer the color of a font with color meaning, the answer to the color meaning of the font is a dominant response, while the answer to the color of the font itself is extremely non-dominant. If the font color is different from its own meaning, the subject will often appear When the reaction speed is greatly reduced and the error rate is increased

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