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Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
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Self-grounding visual, auditory and olfactory autobiographical memories.

Igor Knez1, Louise Ljunglöf1, Artin Arshamian2

  • 1Department of Social Work and Psychology, University of Gävle, Sweden.

Consciousness and Cognition
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Visual autobiographical memories are most important for the self, especially positive ones. Positive emotions are more strongly linked to autobiographical memory than negative ones.

Keywords:
Autobiographical memorySensory informationThe self

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Sensory Perception

Background:

  • Autobiographical memory is crucial for self-concept.
  • The role of different sensory modalities (visual, auditory, olfactory) in autobiographical memory and self-identity is not fully understood.

Purpose of the Study:

  • To investigate the relative importance of visual, auditory, and olfactory autobiographical memories for the self.
  • To examine how memory valence (positive, negative, neutral) interacts with sensory modality in relation to self-concept.

Main Methods:

  • A within-subject design with 30 participants (mean age 35.4 years).
  • Nine types of autobiographical memory cues were used: pictures, sounds, and odors, each with neutral, positive, and negative valences.
  • Participants' cognitive and emotional responses related to self were assessed for each cue type.

Main Results:

  • Visual autobiographical memories were associated with higher cognitive and emotional components for the self compared to auditory and olfactory memories.
  • A trend indicated that positive autobiographical memories increased cognitive and emotional self-components from olfactory to auditory to visual cues.
  • Negative autobiographical memories showed a reverse trend across modalities.
  • Positive affective states were more involved in autobiographical memory than negative ones, irrespective of sensory modality.

Conclusions:

  • Visual sensory input plays a more significant role in forming autobiographical memories tied to self-identity.
  • The valence of autobiographical memories interacts with sensory modality, influencing self-related cognitive and emotional processes.
  • Positive emotional states are more integral to autobiographical memory formation and self-representation than negative states.