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Baseball Temporal Seam Recognition Study

Hagee, Daniel R
http://rave.ohiolink.edu/etdc/view?acc_num=osu1458666577

Abstract Details

2016, Master of Science, Ohio State University, Vision Science.
It is believed that baseball batters utilize seam recognition to gather information about baseball pitches. However, batters only have a limited amount of time to decide whether they should swing the bat. It is established that there are temporal constraints on visual acuity. Therefore, the purpose of this study was to investigate whether subjects can effectively determine seam orientation patterns in a comparable amount of time as batters face in real-life scenarios. Subjects were tested by being seated 36 feet and 1 inch from a drill press with a spinning baseball. Each baseball used had one of three specific orientations. Subjects were asked to describe the stripes on the baseball in a 3 alternative forced choice manner. All subjects completed two trials on differing days. In the first trial, subjects had unlimited viewing time to determine the seam orientation on the baseball. In the second trial, subjects were limited to approximately 286 milliseconds of viewing time using a two aperture system. All subjects used monocular viewing in this experiment. It was found that with unlimited viewing time, subjects correctly determined the seam orientation 52.06% of the time. With limited viewing time subjects only responded correctly 37.62% of the time. This produced a significant difference (p=0.015) between unlimited viewing time and limited viewing time. Because subjects’ performance did not meet expectations in the temporal constraint study, monocular and binocular seam recognition performance was compared in a second study. Testing for this was performed in a similar fashion to the first study. On one day, subjects had unlimited viewing time under binocular conditions. On the other day subjects had unlimited viewing time under monocular conditions. Subjects responded correctly on 74.29% of presentations under monocular conditions and 76.03% of presentations under binocular conditions. There was no significant difference in performance (p=0.522) between binocular and monocular viewing. Temporal constraints resulted in a 40% reduction in the subjects' ability to accurately determine seam number and location. On the other hand, seam recognition was similar for monocular and binocular viewing.
Nicklaus Fogt, O.D., Ph. D. (Advisor)
Aaron Zimmerman, O.D., M.S. (Committee Member)
GIlbert Pierce, O.D., Ph. D. (Committee Member)
57 p.
Ophthalmology; Optics
baseball; pitching; seam recognition; seams; temporal constraints; batting

Recommended Citations

Citations

  • Hagee, D. R. (2016). Baseball Temporal Seam Recognition Study [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1458666577

    APA Style (7th edition)

  • Hagee, Daniel. Baseball Temporal Seam Recognition Study. 2016. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1458666577.

    MLA Style (8th edition)

  • Hagee, Daniel. "Baseball Temporal Seam Recognition Study." Master's thesis, Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1458666577

    Chicago Manual of Style (17th edition)

osu1458666577
784
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This open access ETD is published by The Ohio State University and OhioLINK.