Easy moves: Perceptual fluency facilitates approach-related action

Area of Science:

• Cognitive Psychology
• Social Psychology
• Neuroscience

Background:

• Processing fluency, the ease with which information is processed, is known to influence preferences and affective responses.
• However, its impact on motivation-related actions, particularly approach tendencies, remains less understood.

Purpose of the Study:

• To investigate whether perceptual fluency influences approach-related action tendencies.
• To explore the boundary conditions of this fluency-action effect.
• To examine the affective responses associated with processing fluency.

Main Methods:

• Four experiments were conducted using behavioral measures (reaction times for arm flexion) and physiological measures (facial electromyography - fEMG).
• Participants performed affective ('good'/'bad') and nonaffective ('living'/'nonliving') classification tasks with stimuli varying in perceptual fluency.
• Facial muscle activity (zygomaticus) was recorded to assess hedonic responses.

Main Results:

• Perceptual fluency facilitated faster approach movements in affective classification tasks.
• This fluency effect on action was absent in nonaffective classification tasks, despite fluency enhancing liking.
• Fluent stimuli elicited positive hedonic responses, evidenced by zygomaticus activity, particularly during affective decision-making.

Conclusions:

• Perceptual fluency can enhance approach-related motor actions when embedded within affective decision-making contexts.
• Processing fluency implicitly and flexibly shapes action tendencies, particularly those linked to affect.
• These findings bridge the gap between perceptual fluency, affect, and motivated action.