For the purposes of these analyses, we used the sum of trials I through V of the RAVLT.
We used the sum of trials 1 5 plus immediate and delayed recall (total possible score = 105) as the AVLT metric.
These were: 'psychomotor speed', assessed using the Trail-Making Test, part A (TMT A); 'mental flexibility', assessed by part B (TMT B) [ 63, 64]; 'verbal learning and memory', assessed by the Rey Auditory Verbal Learning Test (RAVLT) [ 64] using the sum of trials RAVLT A1-A5 (leanding), and 20-minute delayed recall by RAVLT A7 (memory).
This expected number was derived as the sum of the trial-by-trial products of the firing probabilities of the 2 neurons, multiplied by the number of time steps within the window derived counts.
D2 is the percentage of the total variance (the sum of between trial variance and sampling error), in a random-effects model, contributed by the between trial variance.
Five different scores are derived from the test: immediate memory recall (trial 1 score); best learning (trial 5); verbal total learning (sum of scores of trials 1 through 5); delayed recall (trial 8); and memory recognition (trial 9).
The result will be recorded as a sum of three trials on which the participant can stand on this position.
We examined heterogeneity with the I statistic, quantifying the proportion of between trial variance to the sum of the between trial variance and a common sampling error.
For both rule-in and rule-out the block-end yield was the sum of the per-trial yields of all trials (with the last trial of the block indicated by k ∈ [4, 12]), rounded to the nearest half or whole number: ∑ t = 1 k Y r u l e (t ).
As a validity check for our deconvolved time courses from the separate trial epochs, we sought to verify that the sum of the individual trial components would result in a typical HDR shape and that the summed response closely matched the time course obtained when considering the trial as a whole.
