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Pyc 2020 Final Powerpoint
- 1. DISTRACT DOES THIS UOY ? Adam Nowak Fatimah Muhammad Sandybel Quintana Lindsey Shobe
- 2. A common activity of everyday life is identifying and understanding written words whether it is in books, billboards, signs, clothing, or even card games. In a Stroopexperiment, participants are asked to identify the color of a word. The words themselves are colors, e.g. red, purple, brown, and grey. However, the words are written in a different color, other than what the word itself says. The purpose is to study if there is a deviation between reaction times when the word and color match, a congruent condition, and when the word and color do not match, an incongruent condition. DISTRACT ? DOES THIS UOY
- 3. Hypotheses Primary The backwards incongruent condition would be the slowest reaction time. Secondary The congruent condition would be the fastest reaction time.
- 4. Method Participants Age: Young adults 18-25 19 participants (10 females) Materials Dell/75 Htz desktop 17inch LCD color monitor SPSS Keyboard strokes: r, g, y, b
- 5. Stimuli Backwards Congruent Backwards Incongruent
- 6. Sideways Congruent Sideways Incongruent
- 7. Congruent Incongruent BLUE YELLOW GREEN RED RED YELLOW BLUE GREEN
- 8. Procedure Practice Trial Run Single- letter stimuli Real Trial 12 trials per condition All trials separated with a cue +++ Conditions were counterbalanced Correct response: r, g, y, or b
- 9. Results A one-way repeated measure ANOVA was calculated comparing the reaction times and a significant effect was found: [F(1,18)=259.12] Significant Results
- 11. Discussion Internal Validity Issues Stimuli were not completely randomized More room for carryover effect Three participants participated in similar research Correlation to Research Effects of dyslexia on Stroop performance Physiological inhibitors (parietal and frontal lobe lesions)
- 12. Physiological reasoning Frontal lobe and the parietal lobe lesions interfere with reaction times
- 13. Next Steps Screen for dyslexia Is language a distracter? Is the Stroop effect still present with a single-letter incongruency
- 14. References Pujol, J., Vendrell, P., Deus, J., Junque, C., Bello, J., Mati-Vilata, J., Capdevila, A. (2001). The effect of medial frontal and posterior parietal demyelinating lesions on Stroop interference. NeuroImage, 13, 68-75. Doi:10.1006/nimg.2000.0662.
- 15. Questions?
Editor's Notes
- Recruited by members of a psychology course at UDMNot compensatedAll were literate and skilled readersNone color blindHad normal or corrected to normal vision
- Super Lab Program 4.0
- Each Trial ended with a correct a response or after 4 seconds
- congruent and incongruent; congruent and backwards congruent; congruent and backwards incongruent; congruent and sideways incongruent; incongruent and backwards congruent; incongruent and backwards incongruent; backwards congruent and sideways congruent; backwards congruent and sideways incongruent; backwards incongruent and sideways congruent; sideways congruent and sideways incongruent.
- CongruentIncongruentBackwards CongruentBackwards IncongruentSideways CongruentSideways Incongruent
- The right medial frontal region (in red) involves planning, organizing, problem solving, selective attention, personality and a variety of "higher cognitive functions" including behavior and emotions. Selective attention includes overriding the automatic processing of reading.The left posterior parietal lobe (in green) includes the primary sensory cortex which controls sensation (touch, pressure). Damage to the left parietal lobe may disrupt a persons ability to understand spoken and/or written language.