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  1. John A. Dewey, Elisabeth Pacherie & Guenther Knoblich (2014). The Phenomenology of Controlling a Moving Object with Another Person. Cognition 132 (3):383-397.
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  2. John A. Dewey & Thomas H. Carr (2013). Predictable and Self-Initiated Visual Motion is Judged to Be Slower Than Computer Generated Motion. Consciousness and Cognition 22 (3):987-995.
    Self-initiated action effects are often perceived as less intense than identical but externally generated stimuli. It is thought that forward models within the sensorimotor system pre-activate cortical representations of predicted action effects, reducing perceptual sensitivity and attenuating neural responses. As self-agency and predictability are seldom manipulated simultaneously in behavioral experiments, it is unclear if self-other differences depend on predictable action effect contingencies, or if both self- and externally generated stimuli are modulated similarly by predictability. We factorially combined variation in predictability (...)
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  3. John A. Dewey & Thomas H. Carr (2013). When Dyads Act in Parallel, a Sense of Agency for the Auditory Consequences Depends on the Order of the Actions. Consciousness and Cognition 22 (1):155-166.
    The sense of agency is the perception of willfully causing something to happen. Wegner and Wheatley proposed three prerequisites for SA: temporal contiguity between an action and its effect, congruence between predicted and observed effects, and exclusivity . We investigated how temporal contiguity, congruence, and the order of two human agents’ actions influenced SA on a task where participants rated feelings of self-agency for producing a tone. SA decreased when tone onsets were delayed, supporting contiguity as important, but the order (...)
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  4. John A. Dewey & Thomas H. Carr (2012). Is That What I Wanted to Do? Cued Vocalizations Influence the Phenomenology of Controlling a Moving Object. Consciousness and Cognition 21 (1):507-525.
    The phenomenology of controlled action depends on comparisons between predicted and actually perceived sensory feedback called action-effects. We investigated if intervening task-irrelevant but semantically related information influences monitoring processes that give rise to a sense of control. Participants judged whether a moving box “obeyed” or “disobeyed” their own arrow keystrokes or visual cues representing the computer’s choices . During 1 s delays between keystrokes/cues and box movements, participants vocalized directions cued by letters inside the box. Congruency of cued vocalizations was (...)
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  5. John A. Dewey, Adriane E. Seiffert & Thomas H. Carr (2010). Taking Credit for Success: The Phenomenology of Control in a Goal-Directed Task. Consciousness and Cognition 19 (1):48-62.
    We studied how people determine when they are in control of objects. In a computer task, participants moved a virtual boat towards a goal using a joystick to investigate how subjective control is shaped by (1) correspondence between motor actions and the visual consequences of those actions, and (2) attainment of higher-level goals. In Experiment 1, random discrepancies from joystick input (noise) decreased judgments of control (JoCs), but discrepancies that brought the boat closer to the goal and increased success (the (...)
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