A new look at the relationship between perceptual and motor
presence/absence of a masked stimulus and the motor behaviour elicited by the ... The relationship between sensory-perceptual and sensorimotor processes has ..... the SDT framework) evoked by close to threshold stimuli (d' > 0!), rather than ...
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“Utilizing” signal detection theory - Northeastern University
Jun 8, 2014 ... inverse relationship between bias magnitude and sensitivity ... signal detection theory, utility, perception, decision making ... The SDT framework has been used to examine eyewitnesses' .... When payoffs alone bias behavior (the payoff environment, in which false ..... A sensory source for motor variation.
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Signal Integration in Human Visual Speed Perception - University of
Jun 24, 2015 ... Behavioral/Cognitive. Signal Integration in ... how this neural integration relates to motion perception. What ..... an SDT framework (Stocker and Simoncelli, 2006). ... stimulus. Thus this inverse relationship between perceived speed ..... the middle temporal visual area parallel perceptual and motor illusions.
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The role of emotion in decision-making: A cognitive neuroeconomic
We conducted a study of decision-making about risky sexual behavior, using a ... minimize the risk of contracting a STD or pregnancy, or (2) not use condoms and thus ... that expresses a multiplicative relationship between probability and utility. .... stress situations necessitates immediate response behavior, and perceptual ...
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Affective state influences perception by affecting decision
used signal detection theory (SDT) within a behavioral economic framework ( Lynn ... Within this parameterized SDT framework, overall performance is measured by utility, the ... predicted that the regression relationship between affective state. (subjective ..... high probability of their containing motor errors. From the remain-.
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"Utilizing" signal detection theory - Interdisciplinary Affective Science
Aug 5, 2014 ... inverse relationship between bias magnitude and sensitivity optimizes utility). ... the phenomena that can be understood within a decision-making framework. ... SDT is applicable across a spectrum from perceptual ... the behavioral-economic concept of utility (the net benefit ...... source for motor variation.
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The relationships between body mass and body image and relative
Self-determination theory (SDT) has become a popular framework for ... 2000). In parallel to this decrease in exercise behaviour, there is evidence for a significant increase .... consistency among males and females in the relationships between body mass and body perceptions ...... Perceptual and Motor Skills, 78, 539–544.
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The Neural Basis of Decision Making - University of Edinburgh
May 20, 2007 ... studies that relate behavior on simple sensory- motor tasks to ... motor tasks can be thought of as a form ... For a perceptual task, neural activity that rep- ... Elements of a simple decision between two alternatives. .... SDT thus provides a flexible framework ..... developed to study the relationship between.
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Perceptual decision neurosciences â€“ A model-based review
Jul 29, 2014 ... not to include studies using the SDT framework, as the model can only .... correlation between drift rate and brain activity as well. A subset of ...
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The Neural Basis of Decision Making - Center for Neural Science
May 20, 2007 ... Simple Motor Latencies: Deciding. When to ... studies that relate behavior on simple sensory- motor tasks to ... For a perceptual task, neural activity that rep- ... Elements of a simple decision between two alternatives. .... SDT thus provides a flexible framework ..... developed to study the relationship between.
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A common mechanism underlies changes of mind about decisions
Mind Brain Behavior Institute, Columbia University, New York, United States; ... The same framework also explains the confidence that a decision is correct ( Kiani ... a process was adduced to explain reversals of perceptual decisions in humans ..... Although the relation between the precise values of the d parameters and.
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Author's personal copy - UCSD Cognitive Science
Statistical decision theory (SDT) and Bayesian decision theory (BDT) are ... frameworks used to model ideal performance in a wide range of visual and motor ... of Games and Economic Behavior by von Neumann and Morgenstern ..... makes perfect use of the perceptual and motor capabilities of the ... 3C) and the correlation.
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Selective Attention as a Case Study - Perception & Cognition Lab
Aug 26, 2015 ... attentional modulations in visual cortex with behavior. .... mine how attention changes the relationship between ... tively simple, theoretical framework based on SDT. ...... ducible spatiotemporal activity during motor learning.
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vandenBerg_Shadlen_W.. - Center for Neural Science - New York
Feb 1, 2016 ... Mind Brain Behavior Institute, Columbia University, New York, ... discrepancies between confidence and accuracy suggest that ... their confidence, reaction time and a perceptual decision about motion ...... decision through the motor system. ..... Thus, within the SDT framework, if meta-d¢6¼d¢ then it is not ...
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Decision and Attention - Weizmann Institute of Science
stimulus environments, decision behavior departs ... interest in the process of perceptual and motor deci- ... between sensitivity and decision criterion. The former ... difference between S and N normalized by σ is the SDT ... FIGURE 27.1 (a) Standard signal detection theory (SDT) framework for the dual-criterion experiments.
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Improving behavioral performance under full - Journal of Vision
Sep 4, 2012 ... In contrast, the hazard rate did not affect perceptual sensitivity. Consistent ... manipulations of decision- or even motor-related variables (for ... mented a relationship between stimulus predictability ... signal. We examined response accuracy within the SDT framework and asked whether predictability of target.
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here - Gatsby Computational Neuroscience Unit - UCL
Sep 17, 2008 ... asking where along the path from sensory to motor areas a loss ... This framework extends ideas of attention as Bayesian ... Bayesian picture of perception and strengthening its connection to ... 2.2.4 Using Coding Models to Link Brain and Behaviour . ..... Deviance residuals between model and data .
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Thielscher, A. & Pessoa, L. Neural correlates of perceptual choice
Mar 14, 2007 ... quantified how well behavioral choice could be predicted by single-trial fMRI amplitude. Our analyses ..... probability will be 0.5 (no relationship between fMRI signal strength ..... those involving perceptual processing and motor initiation. In .... Within an SDT type of framework, a subject's answer results from.
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Health Information Search and Retirement Planning
Prior research has found a relationship between the health habits of individuals and their financial well-being. Little ... framework for the analysis, this study found that individuals who engage in health information search ..... maintaining a behavior, SDT argues that these two types of ...... Perceptual and Motor Skills, 81( 3),.
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View Article (PDF)
Within a self-determination theory (SDT) [8, 16] framework, one argues that the basic psychological needs for autonomy .... relationship between well-being, autonomy, and competence, ... Identified regulated behaviors arise when runners have un- covered and ...... profile. Perceptual and Motor Skills, 54(3), 963-969.
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