Related Experiment Video
Updated: Jul 14, 2026
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Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
Visual emotional context modulates brain potentials elicited by unattended tones
Sayaka Sugimoto1, Hiroshi Nittono, Tadao Hori
1Graduate School of Integrated Arts and Sciences, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima 739-8521, Japan.
Summary
Emotional context impacts brain responses to sounds. Negative emotions affect auditory processing earlier than positive emotions, influencing event-related potentials (ERPs).
Area of Science:
- Cognitive Neuroscience
- Auditory Perception
- Emotion Research
Background:
- Emotional context can modulate sensory processing.
- Understanding how visual emotional stimuli affect auditory event-related potentials (ERPs) is crucial.
Purpose of the Study:
- To investigate if emotional contexts influence brain electrical responses to auditory stimuli.
- To determine the temporal sequence of emotional influences on auditory processing.
Main Methods:
- Recorded event-related potentials (ERPs) from 13 participants viewing positive, neutral, and negative International Affective Picture System slides.
- Presented standard, high-deviant, and low-deviant auditory probe tones while participants ignored them.
Main Results:
- A larger N1 component (around 100 ms) was observed for high-deviant tones during negative slide viewing compared to positive.
- The P2 component (around 170 ms) for standard tones was smaller during positive slide viewing than negative or neutral.
- Mismatch negativity amplitude reduction during positive slides was linked to P2 changes.
Conclusions:
- Visually induced emotional states sequentially affect auditory information processing.
- Negative emotions appear to influence auditory processing at an earlier stage than positive emotions.
