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Examines how reaction times change with the complexity of visual sequences.

The Visual Preference for Facial Expressions task uses eye tracking to measure how long people look at different emotional expressions (like happy or sad faces) to understand attentional biases.

You will rate a pair of 3D abstract objects based on how similar they are for you. Using the keyboard keys, you can choose from 1 (not similar at all) to 5 (extremely similar). You will be asked to do this as quickly and as accurately as possible.

This task is one (1) in a group of three (3) similarity-rating tasks. The other two (2) will show you the same group of objects, but rendered with different depth cues each.

Thank you for your participation and good luck!

Should be OG— re-uploading because never appeared on dashboard

The numerical Stroop (Henik and Tzelgov, 1982).

This is a recognition test following the encoding test. Participants decide if images were seen before or presented together, in two parts: practice and trial. Based on this paper.

In this task participants are required to sort the presented cards based on a rule. The rule is unknown to the participants, however they receive feedback whether their answer was correct. The rule changes after certain amount of trials. This experiment is based on Grant & Berg (1948) experiment.

Sustained Attention to Response Time Task (SART)

This SART task is modeled on the framework used in The Irish Longitudinal Study on Ageing (TILDA)

Participants must press a button (mouse or onscreen) in response to a series of digits and withold responses on the number 3)

Each digit appears for 300ms, with an interval of 800ms between digits. The cycle of digits 1–9 is repeated 23 times, giving a total of 207 trials. The task lasts approximately for 4min

Citations

Robertson I. H. Manly T. Andrade J. Baddeley B. T. Yiend J . (1997). ‘Oops!’: Performance correlates of everyday attentional failures in traumatic brain injured and normal subjects. Neuropsychologia, 35, 747–758. doi:S0028-3932(97)00015-8 [pii]

Aisling M. O’Halloran, Ciaran Finucane, George M. Savva, Ian H. Robertson, Rose Anne Kenny, Sustained Attention and Frailty in the Older Adult Population, The Journals of Gerontology: Series B, Volume 69, Issue 2, March 2014, Pages 147–156, https://doi.org/10.1093/geronb/gbt009

Basic Choice Reaction Time (CRT) created based on the paradigm used in The Irish Longitudinal Study on Ageing (TILDA)

Participants must click on the start button and are then presented with either the word "YES" or "NO". They must then click either YES or NO to correspond with the word presented onscreen. This allows seperation of the cognitive RT (time taken to start the movement) and the motor RT (time taken to complete the movement)

For citations from TILDA see:

Setti, A., Loughman, J., Savva, G. M., & Kenny, R. (2015). Trail Making Test performance contributes to subjective judgment of visual efficiency in older adults. PeerJ, 3, e1407. https://doi.org/10.7717/peerj.1407

Mosca, I., Wright, R.E. Effect of Retirement on Cognition: Evidence From the Irish Marriage Bar. Demography 55, 1317–1341 (2018). https://doi.org/10.1007/s13524-018-0682-7

Cronin et al., (2013) Health and Aging: Development of The Irish Longitudinal Study on Ageing Health Assessment Journal of the American Geriatrics Society https://doi.org/10.1111/jgs.12197