Coherence between Rat Sensorimotor System and Hippocampus Is Enhanced during Tactile Discrimination
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{"title"=>"Coherence between Rat Sensorimotor System and Hippocampus Is Enhanced during Tactile Discrimination", "type"=>"journal", "authors"=>[{"first_name"=>"Natalia", "last_name"=>"Grion", "scopus_author_id"=>"57150586100"}, {"first_name"=>"Athena", "last_name"=>"Akrami", "scopus_author_id"=>"41360909800"}, {"first_name"=>"Yangfang", "last_name"=>"Zuo", "scopus_author_id"=>"57149948700"}, {"first_name"=>"Federico", "last_name"=>"Stella", "scopus_author_id"=>"54399422600"}, {"first_name"=>"Mathew E.", "last_name"=>"Diamond", "scopus_author_id"=>"7202565570"}], "year"=>2016, "source"=>"PLoS Biology", "identifiers"=>{"sgr"=>"84959464617", "pmid"=>"26890254", "pui"=>"608714028", "issn"=>"15457885", "isbn"=>"1545-7885 (Electronic) 1544-9173 (Linking)", "scopus"=>"2-s2.0-84959464617", "doi"=>"10.1371/journal.pbio.1002384"}, "id"=>"c380e27d-3573-3acf-8dbd-b7e78c5f3c2e", "abstract"=>"In rats, the rhythms of whisking and hippocampal theta become coherent precisely when rats approach and explore a texture; higher coherence enhances the identification of texture.", "link"=>"http://www.mendeley.com/research/coherence-between-rat-sensorimotor-system-hippocampus-enhanced-during-tactile-discrimination", "reader_count"=>97, "reader_count_by_academic_status"=>{"Unspecified"=>6, "Professor > Associate Professor"=>3, "Researcher"=>24, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>32, "Student > Postgraduate"=>4, "Student > Master"=>9, "Other"=>1, "Student > Bachelor"=>6, "Lecturer > Senior Lecturer"=>1, "Professor"=>9}, "reader_count_by_user_role"=>{"Unspecified"=>6, "Professor > Associate Professor"=>3, "Researcher"=>24, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>32, "Student > Postgraduate"=>4, "Student > Master"=>9, "Other"=>1, "Student > Bachelor"=>6, "Lecturer > Senior Lecturer"=>1, "Professor"=>9}, "reader_count_by_subject_area"=>{"Unspecified"=>9, "Engineering"=>3, "Agricultural and Biological Sciences"=>19, "Medicine and Dentistry"=>12, "Neuroscience"=>43, "Physics and Astronomy"=>2, "Psychology"=>7, "Computer Science"=>2}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>3}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>12}, "Neuroscience"=>{"Neuroscience"=>43}, "Physics and Astronomy"=>{"Physics and Astronomy"=>2}, "Psychology"=>{"Psychology"=>7}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>19}, "Computer Science"=>{"Computer Science"=>2}, "Unspecified"=>{"Unspecified"=>9}}, "reader_count_by_country"=>{"Austria"=>1, "Iran"=>1, "Belgium"=>1, "United States"=>3, "United Kingdom"=>1, "Israel"=>1, "France"=>1, "Switzerland"=>1, "Germany"=>2, "Spain"=>1}, "group_count"=>2}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/4234006"], "description"=>"<p><b>(A)</b> Simultaneous traces of whisking oscillation and theta rhythm aligned to contact onset for five trials randomly chosen from one session. <b>(B)</b> Phase Synchronization Index (PSI) during walk and rest episodes while foraging (<i>n</i> = 2 rats, 163 and 175 trials, respectively), and during approach and touch episodes during the texture discrimination task (<i>n</i> = 4 rats, 915 trials). Values correspond to mean ± 95% confidence interval. Dashed lines represent lower and upper limit of PSI values; lower limit (PSI = 0.507) is the mean + 95% confidence interval PSI of random sets built by shuffling rats and conditions. Top dashed line corresponds to the upper limit for PSI based on the coherence between whisking of the left versus right sides of the snout (PSI = 0.82, <i>n</i> = 4 rats, 1052 trials). Conditions were compared by applying a two-sample randomization test, <i>p</i> < 0.0001; see <a href=\"http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1002384#sec014\" target=\"_blank\">Materials and Methods</a>. <b>(C)</b> Polar plots of theta-whisking phase delay distribution during approach and touch, sampled from correct trials showing a significant degree of synchronization (trials exceeding 95% confident limit). The Rayleigh test was applied to test for phase delay preference across trials. During approach the test showed no significant clustering (Rayleigh test, <i>p</i> = 0.06), while during touch the mean phase delay became clustered across trials (Rayleigh test <i>p</i> = 0.04). The circle centered at the origin represents 20 trials. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587456, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g004", "stats"=>{"downloads"=>2, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Whisking_theta_synchronization_during_tactile_discrimination_task_and_foraging_/2587456", "title"=>"Whisking-theta synchronization during tactile discrimination task and foraging.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4234009"], "description"=>"<p><b>(A)</b> Normalized duration distribution of all trials. The time elapsed from first touch until withdrawal on each trial was normalized by subtracting it from the maximum value for that rat. <b>(B)</b> Correlation between approach-to-touch PSI change (= PSI-touch—PSI-approach) and normalized duration. Points are 915 individual trials. The fitted line is the least squares linear regression. <b>(C)</b> within-trial paired PSI-approach and PSI-touch values for slow, intermediate, and fast trials. To form the groups, mean and standard deviation (SD) of trial duration per rat was calculated. Slow trials were those from mean duration + 0.4*SD to 2 s. Intermediate trials were from mean duration − 0.4*SD to mean duration + 0.4*SD. Fast trials were those from 0.15 s to mean duration − 0.4*SD. We excluded trials in which duration was shorter than 0.15 s or longer than 2 s (86 trials) because such outliers may reflect an altered strategy. Average PSI change in each plot is shown as thick black segment. Only 50% of all trials (randomly selected) are illustrated to avoid clutter. <b>(D)</b> Correlation between PSI change (PSI-touch—PSI-approach) and normalized duration conditional on PSI-approach. Mean and SD of PSI-approach was calculated and trials were divided in groups. Low trials were those with PSI-approach < mean − 0.5*SD, intermediate trials were those with PSI-approach within +/- 0.5*SD of the mean, high trials were those with PSI-approach > mean + 0.5*SD. Correlation coefficients and their significance are given in the main text. <b>(E)</b> Correlation between PSI change and normalized duration conditional on PSI-touch. Low trials were those with PSI-touch < mean − 0.5*SD, intermediate trials were those within +/- 0.5*SD of the mean, high trials were those with PSI-touch > mean + 0.5*SD. Correlation coefficients and their significance are given in the main text. <b>(F)</b> Upper plot: correlation between PSI-approach and normalized duration in trials with minimal PSI change. Lower plot: correlation between PSI-touch and normalized duration in trials with minimal PSI change. For both analyses, statistics are given in the main text. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587459, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g005", "stats"=>{"downloads"=>2, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Touch_duration_and_whisking_theta_phase_synchrony_/2587459", "title"=>"Touch duration and whisking-theta phase synchrony.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4233979"], "description"=>"<p><b>(A)</b> Sketches of texture discrimination task. Left panel: the rat extends forward to identify the textured plate using its whiskers. Right panel: having identified the stimulus, the rat withdraws from the center and collects the reward at the left spout. <b>(B)</b> Photograph of texture S3, a Plexiglas plate with vertical grooves of 1 mm width and depth cut at intervals of 2 mm. <b>(C)</b> Sensorimotor behavior on a typical trial is characterized by four frames from high-speed video: approach (head, body, and whiskers all move forward), onset of first contact, inter contact (whiskers are retracted and detached from texture prior to the subsequent protraction and contact), and withdrawal (whiskers are retracted and rat’s head and body move backwards onto the platform). <b>(D)</b> Coordinate system to quantify whisking angle in the automatic whisker tracking program. <b>(E)</b> Simultaneous measurement of CA1 LFP and whisker mean angle extracted from a typical trial. Black line, LFP; blue line, left whiskers; red line, right whiskers. Whisking angle refers to coordinate system in <b>D</b>. <b>(F)</b> Raster plot of the spikes of a barrel cortex unit across trials from a single session. Trials are not labeled according to the stimulus. Spike trains are aligned to the onset of first contact, denoted 0 s. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587429, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g001", "stats"=>{"downloads"=>1, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Experimental_setup_behavior_and_recordings_/2587429", "title"=>"Experimental setup, behavior, and recordings.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4234012"], "description"=>"<p>Comparison between PSI change for correct and incorrect trials. Left plot: all trials. Additional plots: similar to <a href=\"http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1002384#pbio.1002384.g005\" target=\"_blank\">Fig 5C</a>, trials were divided into three groups—slow, intermediate and fast—based on the touch duration. Mean values of PSI change are plotted for each group. Error bars are standard error of the mean. Black lines indicate one-tail <i>t</i> test comparison between groups, * indicates <i>p</i> < 0.05, n.s. indicates <i>p</i> > 0.05. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587462, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g006", "stats"=>{"downloads"=>2, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/PSI_change_on_correct_versus_incorrect_trials_/2587462", "title"=>"PSI change on correct versus incorrect trials.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4234018"], "description"=>"<p><b>(A)</b> Angle histogram of the phase distribution of all spikes fired by significantly phase-coherent neurons in relation to the whisking cycle during approach (16,707 out of 20,868 spikes [80%]) and touch (17,058 out of 22,467 spikes used [76%]). The radial axis indicates the spiking probability for the corresponding direction (bin width: 10 degrees). The value 0.03 marks the axis corresponding to the probability value of 3%. (<b>B)</b> Mean preferred phase of each studied neuron. <b>(C)</b> Angle histogram of the phase distribution of all the spikes fired by significantly phase-coherent neurons in relation to theta (no task period: 26,650 out of 144,912 spikes used [18%], approach: 105,808 out of 168,178 spikes used [63%], touch: 78,030 out of 180,009 spikes used [43%]). (<b>D</b>) Mean preferred phase of each neuron in relation to theta. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587468, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g007", "stats"=>{"downloads"=>2, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Phase_coherence_between_barrel_cortex_whisking_cycle_and_theta_/2587468", "title"=>"Phase-coherence between barrel cortex, whisking cycle, and theta.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4234021"], "description"=>"<p>Side-texture associations of the tactile discrimination task.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587471, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.t001", "stats"=>{"downloads"=>1, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Side_texture_associations_of_the_tactile_discrimination_task_/2587471", "title"=>"Side-texture associations of the tactile discrimination task.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4233994"], "description"=>"<p><b>(A)</b> Mean behavioral performance of each of seven tested rats during recording sessions. Values are mean percent correct trials ± standard error of the mean (SEM) across sessions, separated according to the stimulus presented. The number of sessions per rat included in the analysis was as follows: Rat 1: 5 sessions, 551 trials; Rat 2: 11 sessions, 1,020 trials; Rat 3: 2 sessions, 312 trials; Rat 4: 5 sessions, 541 trials; Rat 5: 5 sessions, 433 trials; Rat 6: 9 sessions, 1,127 trials; Rat 7: 4 sessions, 181 trials. <b>(B)</b> Histological section. White arrow indicates the electrode track within CA1 subfield of hippocampus. The boxed area of the upper photograph is shown at higher magnification below. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587444, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g002", "stats"=>{"downloads"=>2, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Behavioral_performance_and_hippocampal_histology_/2587444", "title"=>"Behavioral performance and hippocampal histology.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4233964", "https://ndownloader.figshare.com/files/4233970"], "description"=>"<div><p>Rhythms with time scales of multiple cycles per second permeate the mammalian brain, yet neuroscientists are not certain of their functional roles. One leading idea is that coherent oscillation between two brain regions facilitates the exchange of information between them. In rats, the hippocampus and the vibrissal sensorimotor system both are characterized by rhythmic oscillation in the theta range, 5–12 Hz. Previous work has been divided as to whether the two rhythms are independent or coherent. To resolve this question, we acquired three measures from rats—whisker motion, hippocampal local field potential (LFP), and barrel cortex unit firing—during a whisker-mediated texture discrimination task and during control conditions (not engaged in a whisker-mediated memory task). Compared to control conditions, the theta band of hippocampal LFP showed a marked increase in power as the rats approached and then palpated the texture. Phase synchronization between whisking and hippocampal LFP increased by almost 50% during approach and texture palpation. In addition, a greater proportion of barrel cortex neurons showed firing that was phase-locked to hippocampal theta while rats were engaged in the discrimination task. Consistent with a behavioral consequence of phase synchronization, the rats identified the texture more rapidly and with lower error likelihood on trials in which there was an increase in theta-whisking coherence at the moment of texture palpation. These results suggest that coherence between the whisking rhythm, barrel cortex firing, and hippocampal LFP is augmented selectively during epochs in which the rat collects sensory information and that such coherence enhances the efficiency of integration of stimulus information into memory and decision-making centers.</p></div>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587417, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>["https://dx.doi.org/10.1371/journal.pbio.1002384.s001", "https://dx.doi.org/10.1371/journal.pbio.1002384.s002"], "stats"=>{"downloads"=>3, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Coherence_between_Rat_Sensorimotor_System_and_Hippocampus_Is_Enhanced_during_Tactile_Discrimination/2587417", "title"=>"Coherence between Rat Sensorimotor System and Hippocampus Is Enhanced during Tactile Discrimination", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2016-02-18 16:02:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/4234003"], "description"=>"<p><b>(A)</b> Time course of texture discrimination: bar lengths represent the average duration of each episode in the task, as labeled above. Touch (green bar) started at the onset of first contact and ended at the offset of final contact. Turn (light grey) started at the offset of final contact and ended at the arrival at the reward spout. Black points with error bars represent the mean ± standard deviation (SD) of ending time of touch (540 ± 224 ms) and turn (798 ± 395 ms) episodes across sessions and rats. Data were aligned to onset of first contact so SD = 0 at the boundary between approach and touch. Approach (blue) and reward (dark grey) had fixed duration but variable onset and offset, respectively (see <a href=\"http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1002384#sec014\" target=\"_blank\">Materials and Methods</a> for analysis criterion), so their onset and offset are marked by dashed lines. <b>(B)</b> Hippocampal LFP of 13 trials (randomly chosen from one session) aligned to touch onset (0 s). <b>(C)</b> Averaged power spectrogram relative to baseline (defined as interval between -3 and -2.5 s) aligned to first contact (touch onset). Data are from same session as <b>B</b> but now all correct trials are included. Start and end of approach and touch are marked with dashed lines. <b>(D)</b> Grand average (<i>n</i> = 4 rats, also illustrated in <b>E</b> and <b>F</b>) of LFP power spectrum associated with different task episodes. In each animal LFP power was normalized to baseline power: LFP power value (10*log<sub>10</sub>(power)) from each task episode was divided by 4 Hz baseline LFP power (10*log<sub>10</sub>(4 Hz<sub>baseline</sub>)), and then averaged across animals. Shading is standard deviation (also in <b>E</b> and <b>F</b>). Color bars at the base of the figure indicate frequencies at which there was a significant power difference, versus baseline, during approach (blue), touch (green) and reward (grey) (randomization test, see <a href=\"http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1002384#sec014\" target=\"_blank\">Materials and Methods</a>). <b>(E)</b> Grand average of LFP power spectrum during the discrimination task (touch episodes) and foraging (walk and rest episodes). Color bars indicate frequencies at which there was a significant power difference for the following comparisons: walk versus touch (green), and walk versus rest (grey). <b>(F)</b> Grand average of whisking power spectrum during the discrimination task (approach and touch episodes). Green bar indicates frequencies at which there was a significant power difference for approach versus touch, revealing the concentration at 8–12 Hz during touch. All data are available at <a href=\"http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141\" target=\"_blank\">http://figshare.com/s/99b31b8a567f11e5b81d06ec4bbcf141</a>.</p>", "links"=>[], "tags"=>["vibrissal sensorimotor system", "barrel cortex unit", "barrel cortex neurons", "Tactile Discrimination Rhythms", "theta", "control conditions", "texture palpation", "hippocampal LFP", "Rat Sensorimotor System", "information", "coherence", "task"], "article_id"=>2587453, "categories"=>["Neuroscience", "Evolutionary Biology", "Biological Sciences not elsewhere classified", "Science Policy", "Mental Health"], "users"=>["Natalia Grion", "Athena Akrami", "Yangfang Zuo", "Federico Stella", "Mathew E. Diamond"], "doi"=>"https://dx.doi.org/10.1371/journal.pbio.1002384.g003", "stats"=>{"downloads"=>1, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Hippocampal_LFP_during_tactile_discrimination_task_and_foraging_/2587453", "title"=>"Hippocampal LFP during tactile discrimination task and foraging.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-18 16:02:06"}

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  • {"unique-ip"=>"11", "full-text"=>"14", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"5"}
  • {"unique-ip"=>"2", "full-text"=>"2", "pdf"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"6"}
  • {"unique-ip"=>"6", "full-text"=>"4", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"7"}
  • {"unique-ip"=>"10", "full-text"=>"9", "pdf"=>"4", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"8"}
  • {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"9"}
  • {"unique-ip"=>"11", "full-text"=>"9", "pdf"=>"5", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2020", "month"=>"10"}

Relative Metric

{"start_date"=>"2016-01-01T00:00:00Z", "end_date"=>"2016-12-31T00:00:00Z", "subject_areas"=>[]}
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