Dual Systems Influence on Preference Based Decision Making Open Access

Abstract

Previous research has revealed we often make decisions by relying more or less on deliberate cognition. Human decision-making about choosing between options of unspecified value demonstrates our preferences. The present study focuses on the influence of either greater deliberate processing or greater automatic processing on emotionally salient preferential decisions. By presenting 11 participants with preferential tasks under manipulations that increase reliance on these processing systems, it is revealed that we may utilize rationalizations of automatic decision-making to inform our elaborated evaluation of stimuli, and that influencing motivation is important for manipulating deliberate cognition. Finally, through modeling these decision tasks with deep reinforcement learning models, we discovered that these preliminary model-free deep Q approaches are more similar to performance under deliberate cognition rather than automatic cognition, contradicting our predictions. This research may further our understanding by demonstrating how these aspects of decision-making influence our actual choices and informs how researchers should utilize these machine learning approaches for future research.

Table of Contents

Introduction………………………………………………….1

Method………………………………………………………9

Results………………………………………………………15

Discussion……………………………………………….….17

Figure 1……………………………………………………..25

Figure 2………………………………………………….….26

Figure 3……………………………………………….…….27

Figure 4……………………………………………….…….28

Figure 5……………………………………………….…….29

References…………………………………………….…….30

About this Honors Thesis

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School	Emory College
Department	Psychology
Degree	B.A.
Submission	Honors Thesis
Language	English
Research Field	Psychology, Cognitive
Keyword	Decision Deliberate Emotion Dual Systems Decision-making Preference Reinforcement Learning Automatic Cognition
Committee Chair / Thesis Advisor	Philip Kragel, Emory University
Committee Members	Kenneth Carter, Emory University Jennifer McGee, Emory University Sarah Higinbotham, Emory University

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