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TEAM 7: Cognitive Science. Nevil Abraham, Rachana Balasubramanian, Grace Chen, Saavan Chintalacheruvu, Rajeshwari Enjeti, Cynthia Guo, Bum Shik Kim, Kang Woo Kim, Emma Leeds, Jessica Mui, Ellen Wu, Rong Xiang. Background. Fixation Fixation Duration Saccade

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team 7 cognitive science

TEAM 7: Cognitive Science

Nevil Abraham, Rachana Balasubramanian, Grace Chen, Saavan Chintalacheruvu, Rajeshwari Enjeti, Cynthia Guo, Bum Shik Kim, Kang Woo Kim, Emma Leeds, Jessica Mui, Ellen Wu, Rong Xiang

background
Background
  • Fixation
    • Fixation Duration
  • Saccade
  • Dynamic loop between visual input and cognition
table of contents
Table of Contents
  • Line spacing
  • PSA
  • Lying
  • Antisaccade
the effects of line spacing on eye movements and comprehension

The Effects of Line Spacing on Eye Movements and Comprehension

Ellen Wu and Rong Xiang

introduction
Introduction

Hypothesis: Increasing line spacing results in increased fixation duration and thus, increased reading comprehension.

experimental design
Questions

40 s

Break

15 s

Experimental Design

Read

40 s

Break (15 seconds)

experimental design1

Group 1

Experimental Design

A1

B2

C1

Group 2

A2

B1

C2

results
Results

Comprehension

Score (%)

Fixation Duration (ms)

Single Spaced

Double Spaced

Spacing

participant data
Participant Data

Comprehension Scores (%)

Participants

Fig. 2 The average comprehension scores across all subjects

discussion
Discussion
  • Lack of correlation between line spacing, fixation duration, and comprehension levels
  • Future experiments
  • Practical application
2 psa text placement

2. PSA Text Placement

Emma Leeds, Raje Enjeti, Rachana Balasubramanian, Jessica Mui

slide13

PSAs: Public Service Announcements

Hypothesis: Text placement at top would create longer fixations and thus higher comprehension than if text was at the bottom

eye movements when lying

Eye Movements when Lying

Saavan Chintalacheruvu & Nevil Abraham

introduction1
Introduction
  • Common notion that eyes focus on top-left when lying
  • Some experimental evidence supporting this
results average fixation duration
Results: Average Fixation Duration
  • T:360 ± 370 milliseconds
  • L: 370 ± 4.0x10^2 milliseconds
  • p = 0.468
possible errors improvement
Possible Errors/Improvement
  • Nature of the stimulus
    • Why do people lie?
    • People usually lie to people
    • not a good representation of lying
  • Improvement
    • Lie to an actual human being
    • Give participants a reason to lie
conclusion1
Conclusion
  • No correlation within the experiment’s parameters
  • However:
    • data was highly variable
    • results are inconclusive
    • must be repeated with improvements
the antisaccade task under changing fixation points

The Antisaccade Task Under Changing Fixation Points

Grace Chen, Cynthia Guo, Bum Shik Kim, Kang Woo Kim

what is an antisaccade
What is an antisaccade?
  • Inhibition of reflexive saccade
  • Frontal cortex ability

Saccade

Antisaccade

hypotheses
1. stationary vs. moving fixation point

2. moving in opposite vs. same direction as cue

Hypotheses

Antisaccade ability will vary with:

vs

vs

experimental design2
Experimental Design

Experimental

moving fixation point

cues appear in same/opposite direction

Control

static fixation point

cues appear on L/R

30 trials

64 trials

15 left

15 right

32 same direction

32 opposite direction

16 left

16 right

16 left

16 right

general conclusions
General Conclusions
  • Eye patterns remain steady under varied conditions
  • Moving fixation point reduced antisaccade ability
  • Dynamic feedback between eyes and cognition
  • High variability between participants
slide30

Acknowledgements

Dr. Minjoon Kouh

Frank Minio

NJ Governor’s School of the Sciences

Dr. Adam Cassano

Dr. Steve Surace

Anna Mae Dinio-Bloch

Bayer Health Care

  • Independent College Fund of NJ/Johnson & Johnson
  • AT&T
  • Actavis Pharmaceuticals
  • Celgene
  • Novartis
  • Laura (NJGSS ’86) and John OverdeckNJGSS Alumnae and Parents of Alumnae
  • Board of Overseers, New Jersey Governor’s SchoolsState of New JerseyDrew University

and all of NJGSS’s generous sponsors!