Definition: A time window refers to a specific period in the dataset during which the recorded data is analyzed. The length of the time window depends on the research question and the nature of the experiment. The analysis of fNIRS data is often conducted by dividing the entire recording period into several time windows, typically several seconds long. During each time window, the signal is processed and analyzed to identify metabolism in the brain. The choice of the time window is an essential consideration in fNIRS analysis, as it can affect the sensitivity and specificity of the results.Definition: A time window refers to a specific period in the dataset during which the recorded data is analyzed. The length of the time window depends on the research question and the nature of the experiment. The analysis of fNIRS data is often conducted by dividing the entire recording period into several time windows, typically several seconds long. During each time window, the signal is processed and analyzed to identify metabolism in the brain. The choice of the time window is an essential consideration in fNIRS analysis, as it can affect the sensitivity and specificity of the results.
Alternative definition: In the context of time-domain fNIRS, the time window refers to the duration of the measurement period during which the photons are detected and used to calculate the optical properties of the tissue.
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References: DOI: 10.1109/ICA-SYMP.2019.8646261
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