Flashbacks as Failed Integration Attempts: A Contextual-Binding Model of Traumatic Re-Experiencing

Flashbacks are commonly described as intrusive, sensory-dominant episodes in which traumatic material returns with a powerful sense of presentness. Existing accounts have emphasized fear networks, dual representation, disrupted contextualization, and memory reconsolidation. The present manuscript reframes flashbacks as failed processing or integration attempts, understood as nonconscious system-level processing events rather than deliberate efforts. It proposes that sensory-emotional material that remains accessible but insufficiently integrated becomes fertile ground for renewed organization: cue-triggered fragments are activated, contextual-binding systems are recruited, but integration fails when the material cannot be held in a bounded, temporally situated, and cognitively usable form. Under these conditions, reactivation becomes reliving rather than autobiographical assimilation. The model differs from contextualization accounts in emphasis rather than opposition: contextualization theories explain why traumatic memory is vulnerable to present-oriented retrieval, whereas the failed integration model explains why accessible sensory-emotional fragments repeatedly return without becoming organized into temporal, spatial, and autobiographical memory. Hippocampal-contextual systems are hypothesized to participate in binding activated fragments to time, place, sequence, and autobiographical context, but flashbacks occur when those binding operations are destabilized by high activation, weak containment, or loss of executive continuity. The paper defines the core constructs, distinguishes activation from integration, outlines testable predictions, and considers clinical implications for trauma-focused work.