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matlab pwelch command  (MathWorks Inc)


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    MathWorks Inc matlab pwelch command
    Matlab Pwelch Command, supplied by MathWorks Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/matlab pwelch command/product/MathWorks Inc
    Average 90 stars, based on 1 article reviews
    matlab pwelch command - by Bioz Stars, 2026-04
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    ERs and spontaneous <t>(differential)</t> <t>LFP</t> recording from selected montages in each hemisphere. (A) Top row: Spontaneous <t>LFP-ASD</t> curves after 1/f detrending. (B) Middle row: ER time series. The gray arrow indicates the stimulation time. (C) Bottom row: ER spectrograms (time-frequency maps). The vertical line shows stimulation time.
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    ERs and spontaneous (differential) LFP recording from selected montages in each hemisphere. (A) Top row: Spontaneous LFP-ASD curves after 1/f detrending. (B) Middle row: ER time series. The gray arrow indicates the stimulation time. (C) Bottom row: ER spectrograms (time-frequency maps). The vertical line shows stimulation time.

    Journal: Frontiers in Human Neuroscience

    Article Title: Low-frequency deep brain stimulation reveals resonant beta-band evoked oscillations in the pallidum of Parkinson’s Disease patients

    doi: 10.3389/fnhum.2023.1178527

    Figure Lengend Snippet: ERs and spontaneous (differential) LFP recording from selected montages in each hemisphere. (A) Top row: Spontaneous LFP-ASD curves after 1/f detrending. (B) Middle row: ER time series. The gray arrow indicates the stimulation time. (C) Bottom row: ER spectrograms (time-frequency maps). The vertical line shows stimulation time.

    Article Snippet: Amplitude spectral density (ASD) curves were calculated from 5 s segments of the filtered spontaneous LFP using the Welch method ( pwelch command in MATLAB).

    Techniques:

    Correlation between the amplitudes of the ERs and spontaneous LFPs at the peak beta-band frequency for hemispheres HEMIS 3 (19–23 Hz), HEMIS 4 (17–21 Hz), and HEMIS 5 (19–23 Hz). Each point represents a differential potential. Regression coefficients (R), p -values (pV), and linear fit slope (PS) for each hemisphere were as follows. HEMIS 3: R = 0.97, pV = 0.001, PS = 0.37. HEMIS 4: R = 0.81, pV = 0.02, PS = 1.25. HEMIS 5: R = 0.94, pV = 0.001, PS = 2.19. The gray 1-2a label in HEMIS 5 represents a negative value that is out of the chart (Spontaneous LFP Amplitude: −0.0476, ER Amplitude: 0.7232). This amplitude value from the ASD curve is negative because of the 1/f curve subtraction described in Materials and methods section.

    Journal: Frontiers in Human Neuroscience

    Article Title: Low-frequency deep brain stimulation reveals resonant beta-band evoked oscillations in the pallidum of Parkinson’s Disease patients

    doi: 10.3389/fnhum.2023.1178527

    Figure Lengend Snippet: Correlation between the amplitudes of the ERs and spontaneous LFPs at the peak beta-band frequency for hemispheres HEMIS 3 (19–23 Hz), HEMIS 4 (17–21 Hz), and HEMIS 5 (19–23 Hz). Each point represents a differential potential. Regression coefficients (R), p -values (pV), and linear fit slope (PS) for each hemisphere were as follows. HEMIS 3: R = 0.97, pV = 0.001, PS = 0.37. HEMIS 4: R = 0.81, pV = 0.02, PS = 1.25. HEMIS 5: R = 0.94, pV = 0.001, PS = 2.19. The gray 1-2a label in HEMIS 5 represents a negative value that is out of the chart (Spontaneous LFP Amplitude: −0.0476, ER Amplitude: 0.7232). This amplitude value from the ASD curve is negative because of the 1/f curve subtraction described in Materials and methods section.

    Article Snippet: Amplitude spectral density (ASD) curves were calculated from 5 s segments of the filtered spontaneous LFP using the Welch method ( pwelch command in MATLAB).

    Techniques: