Task and channel coverage.

Task and channel coverage.

<p><b>A.</b> Schematic of the behavioral task. During study blocks, participants made indoor/outdoor judgements while viewing images of natural scenes. During test blocks, participants made old/new judgements while viewing the same images of natural scenes intermixed with novel ima...

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Main Author: Adam J. O. Dede (11554007) (author)
Other Authors: Zachariah R. Cross (12517201) (author), Samantha M. Gray (15280322) (author), Joseph P. Kelly (22683512) (author), Qin Yin (688027) (author), Parisa Vahidi (6252611) (author), Eishi Asano (10954801) (author), Stephan U. Schuele (8892719) (author), Joshua M. Rosenow (8892722) (author), Joyce Y. Wu (3162564) (author), Sandi K. Lam (10529066) (author), Jeffrey S. Raskin (22683515) (author), Jack J. Lin (7553783) (author), Olivia Kim McManus (22683518) (author), Shifteh Sattar (13215409) (author), Ammar Shaikhouni (5722517) (author), David King-Stephens (22683521) (author), Peter B. Weber (22683524) (author), Kenneth D. Laxer (14948857) (author), Peter Brunner (290008) (author), Jarod L. Roland (9193178) (author), Ignacio Saez (2165584) (author), Fady Girgis (17749833) (author), Robert T. Knight (7108925) (author), Noa Ofen (4059280) (author), Elizabeth L. Johnson (12688232) (author)
Published: 2025
Subjects:
Cell Biology
Neuroscience
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
using intracranial eeg
recognition memory task
graph theoretic analysis
sparse network states
direct stimulus processing
sparse connectivity aligned
external stimulus presentation
internal pfc peaks
internal hfb peaks
mtl theta connectivity
stimulus presentation
local processing
generated states
external event
theta oscillations
pfc changed
patients performing
global organization
frequency broadband
contrasting analyses
anchored either
analyses triggered
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Summary:<p><b>A.</b> Schematic of the behavioral task. During study blocks, participants made indoor/outdoor judgements while viewing images of natural scenes. During test blocks, participants made old/new judgements while viewing the same images of natural scenes intermixed with novel images. All scene images were taken by author Noa Ofen and are reproduced here with permission. <b>B.</b> Channel coverage combined across participants. i. Lateral view. ii. Face-on view. ACC and Hip ROIs are shown with 3D models for reference. <b>C.</b> Example channels demonstrating detection of reactive channels. Top panels display heatmaps with trials on the <i>y</i> axis, time relative to image onset on the <i>x</i> axis, and the HFB power indicated by color. Bottom panels display the mean HFB power across trials on the <i>y</i> axis and time on the <i>x</i> axis. Notice that in panel i, there is a response soon after image onset that exceeds the threshold of z > 2 for more than 50 continuous ms (black horizontal line marked by asterisk above panel). By contrast, in panel ii, the mean response does not exceed the z-score threshold. Example channels were drawn from within a single participant’s PHG, demonstrating within region heterogeneity. This panel can be regenerated using data contained in HFB_singleTrialmtl_sub_image.mat and code in Figure 1C_2A.m [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3003481#pbio.3003481.ref112" target="_blank">112</a>]. <b>D.</b> Summary of reactive and non-reactive channel counts across all ROIs. This panel can be regenerated using data contained in trialLatDat_RTfix.csv and code in Figure1D_encRet.Rmd [<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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