A microcomputer-based software package for eye monitoring research

McConkie, George W.; Scouten, Charles W.; Bryant, P.K.; Wilson, J. B.

doi:10.3758/bf03203818

Cited by 6 publications

(2 citation statements)

References 9 publications

(6 reference statements)

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“…McConkie, Scouten, Bryant, and Wilson (1988) developed a system for IBM-compatible computers that uses a combination ofC language and assembly language routines for pupil1ometry. Programming in assembly language requires greater sophistication than programming in higher level languages such as Pascal.…”

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confidence: 99%

Pupillometry system for use in social psychology

Bernhardt

Dabbs

Riad

1996

Behavior Research Methods, Instruments, & Computers

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It is now relatively easy to implement pupillometry in social psychological research. We describe a system in which a Macintosh computer presents visual and auditory stimuli to subjects while monitoring an infrared pupillometer. The computer records information on subject, task, and pupil diameter into a data file for input into standard statistical analysis programs. Pupil diameter is measured continuously while subjects respond to stimuli that last for several seconds or minutes. A demonstration experiment verifies the usefulness of the system. The ability of the Macintosh computer to easily handle visual and auditory stimuli and to record responses lasting a considerable length of time makes the system well suited for studying pupil responses to complex social stimuli. This system is also well suited for the researcher initiating a research program using pupillometry. Ease of operation makes using a large number of subjects feasible.

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confidence: 99%

Pupillometry system for use in social psychology

Bernhardt

Dabbs

Riad

1996

Behavior Research Methods, Instruments, & Computers

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“…This system recorded the three digital binary outputs, X-position, Y-position, and pupil diameter. The data were subsequently reduced to fixationsaccade type eye positions using an algorithm described more fully by McConkie et al (1988).…”

Section: Experimental Apparatusmentioning

confidence: 99%

Effects of Brightness Difference on Specific Map-Analysis Tasks: An Empirical Analysis

Wood¹

1994

Cartography and Geographic Information Systems

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The importance of brightness difference and its relationship to figural development in cartographic design should be obvious. There is, however, little empirical evidence of the ways in which brightness differences are incorporated in map design and how they influence map readability. This study examined the eye fixations of 16 subjects on three different map-analysis tasks involving a total of 96 different maps, in which graphic structure varied from nonexistent to strong, based on four different levels of brightness or value difference between figure and ground. Results from the first task indicated that brightness difference or contrast had no significant effect on either the number of fixations, their durations, or the abilities of subjects to complete the counting problem successfully. Data from the second and third tasks, on the other hand, revealed that contrast did play the definitive role in task performance. Maps without any contrast between figure and ground generated significantly more and longer fixations and a higher error rate, a reflection of the difficulty subjects experienced in visually processing maps lacking graphic organization.

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