Patterns of mnemonic differences in phase clustering are dependent on time alignment.
<p><b>A.</b> Heatmaps display the mean difference in z-scored ITPC between hit and miss trials. The x-axis displays time in milliseconds relative to HFB peak, and the y-axis displays frequency. Color indicates the difference between (subsequent) hit and miss trials in units of z-sc...
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2025
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| Резюме: | <p><b>A.</b> Heatmaps display the mean difference in z-scored ITPC between hit and miss trials. The x-axis displays time in milliseconds relative to HFB peak, and the y-axis displays frequency. Color indicates the difference between (subsequent) hit and miss trials in units of z-scored ITPC. Encoding and retrieval data are plotted along the top and bottom rows, respectively. White outlines indicate statistical significance after permutation-based cluster correction. This panel can be regenerated using data contained in the TFphase_HFB folder and code in Figure3A_heatmapVersion.m [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>]. <b>B.</b> Similar to A except the x-axis displays time in seconds relative to image onset. Note that the dlPFC and pPFC exhibited strong hit/miss phase clustering effects when analysis was locked to local HFB peaks (panel A), but phase clustering effects are weaker when analysis is locked to image onset. This panel can be regenerated using data contained in the TFphase_image folder and code in Figure3B_supFigure4B.m [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>]. <b>C.</b> Histograms display the IMG-HFB index for different regions collapsed across hit/miss and encode/retrieve trial types. Values at the extremes indicated that phase clustering was observed exclusively when data were analyzed relative to image onset (left) or HFB peak (right). Intermediate values (near the vertical dashed line) indicated that the two treatments of time yielded similar results. Note that the distribution of channels in the dlPFC and pPFC is strongly skewed to the HFB end of the axis. This panel can be regenerated using data <b>D.</b>contained in HFB_IMG_index2.csv and code in HFB_IMG_index.Rmd lines 129–169 [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>]. <b>D.</b> The same as panel C but with histograms representing hit and miss trials collapsed across region and encoding/retrieval. This panel can be regenerated using data contained in HFB_IMG_index2.csv and code in HFB_IMG_index.Rmd lines 172–207 [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>]. <b>E.</b> The same as panel C but with histograms representing encoding and retrieval trials collapsed across region and hit/miss. The high channel count in the dlPFC leads to this region dominating the distribution shape in panels D and E, but the key observation is that IMG-HFB index values do not vary with hit/miss or encode/retrieve. This panel can be regenerated using data contained in HFB_IMG_index2.csv and code in HFB_IMG_index.Rmd lines 213–252 [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>].</p> |
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