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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Atten Percept Psychophys. 2016 Jan;78(1):218–241. doi: 10.3758/s13414-015-0988-0

Figure 2. N-back task.

Figure 2

Participants face a constant stream of letters presented for 500 ms and separated by 3000 ms of a blank screen. For each new letter, participants report via key presses (“YES” and “NO” keys) whether it was the same as the letter presented N steps back. The left and right panels illustrate a sequence of such trials (a) in the 2-back and (b) the 3-back conditions respectively.