Swagerman, Thomas (2021) Is it possible to manipulate perceptual processing stages? HsMM-MVPA method for EEG. Bachelor's Thesis, Artificial Intelligence.
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Abstract
Several different scientific branches formed the scientific study of the mind, cognitivescience. Since the beginning in the 1950s, cognitive processing stages were a key idea. This studyconducted a visual discrimination task in an attempt to manipulate perceptual processing stages.Evidence for this manipulation can be found in the difference in stage durations between twovisual discrimination tasks. This was done by comparing the results from a visual discriminationtask done in a prior research(Berberyan, van Maanen, van Rijn, and Borst, 2021) to the resultsof our research. The difference between the studies is the transparency of the stimuli. This studyuses more transparent stimuli.During the task, two forms of data were gathered. Behavioral data in the form of reaction timeand error rates were obtained. Furthermore participants’ brain activity was measured by usingan electroencephalogram(EEG). An HsMM-MVPA method was conducted, in order to discovercognitive stages hidden within the EEG data.The results of both the behavioral data and the EEG analysis suggest that our research is areplication of the easy stimuli from the study done by Berberyan and colleagues. Thus this studywas not able to manipulate perceptual processing stages using transparent stimuli. This does notmean perceptual processing stages can not be manipulated. Future research could experimentwith different stimuli or more transparent stimuli.
| Item Type: | Thesis (Bachelor's Thesis) |
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| Supervisor name: | Borst, J.P. and Berberyan, H. |
| Degree programme: | Artificial Intelligence |
| Thesis type: | Bachelor's Thesis |
| Language: | English |
| Date Deposited: | 18 Feb 2021 15:14 |
| Last Modified: | 18 Feb 2021 15:14 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/23982 |
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