Fluctuation in pupil size and spontaneous blinks reflect story transportation

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Pysyväisosoite

http://hdl.handle.net/10138/318857

Lähdeviite

Kaakinen , J & Simola , J 2020 , ' Fluctuation in pupil size and spontaneous blinks reflect story transportation ' , Journal of Eye Movement Research , vol. 13 , no. 3 , 6 . https://doi.org/10.16910/jemr.13.3.6

Julkaisun nimi: Fluctuation in pupil size and spontaneous blinks reflect story transportation
Tekijä: Kaakinen, Johanna; Simola, Jaana
Tekijän organisaatio: Helsinki Collegium for Advanced Studies
Neuroscience Center
Medicum
Päiväys: 2020-07-01
Kieli: eng
Sivumäärä: 14
Kuuluu julkaisusarjaan: Journal of Eye Movement Research
ISSN: 1995-8692
DOI-tunniste: https://doi.org/10.16910/jemr.13.3.6
URI: http://hdl.handle.net/10138/318857
Tiivistelmä: Thirty-nine participants listened to 28 neutral and horror excerpts of Stephen King short stories while constantly tracking their emotional arousal. Pupil size was measured with an Eyelink 1000+, and participants rated valence and transportation after each story. In addition to computing mean pupil size across 1-sec intervals, we extracted blink count and used detrended fluctuation analysis (DFA) to obtain the scaling exponents of long-range temporal correlations (LRTCs) in pupil size time-series. Pupil size was expected to be sensitive also to emotional arousal, whereas blink count and LRTC’s were expected to reflect cognitive engagement. The results showed that self-reported arousal increased, pupil size was overall greater, and the decreasing slope of pupil size was flatter for horror than for neutral stories. Horror stories induced higher transportation than neutral stories. High transportation was associated with a steeper increase in self-reported arousal across time, stronger LRTCs in pupil size fluctuations, and lower blink count. These results indicate that pupil size reflects emotional arousal induced by the text content, while LRTCs and blink count are sensitive to cognitive engagement associated with transportation, irrespective of the text type. The study demonstrates the utility of pupillometric measures and blink count to study literature reception.
Avainsanat: 515 Psychology
3125 Otorhinolaryngology, ophthalmology
Eye tracking
pupillometry
eye blinks
literary texts
horror
emotion
immersion
transportation
SPONTANEOUS THOUGHT
CRITICALITY
EMOTION
MIND
RESPONSES
BEHAVIOR
AROUSAL
FICTION
MODEL
LOAD
Vertaisarvioitu: Kyllä
Tekijänoikeustiedot: cc_by
Pääsyrajoitteet: openAccess
Rinnakkaistallennettu versio: publishedVersion


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