Beyond Forgetting: How Emotion Shapes Life with Dementia

Types of Memories

Most of us think of memory as a record of facts: names, dates, conversations, and events. For individuals living with dementia, these kinds of memories, known as the “factual” or “episodic” memories, can become fragile and unreliable. But there’s another layer of memory that often endures even as facts vanish: emotion. People living with dementia may not remember the details of a visit, a conversation, or a moment in time, but they often retain the emotional tone attached to those experiences. This enduring emotional memory is shaped by how the brain processes, stores, and recalls feelings, playing a profound role in daily life.

Emotional memory refers to the phenomenon in which experiences tied to strong feelings are more likely to be encoded and retained than neutral ones. People tend to remember how an experience made them feel even when they can no longer recall the facts of the event itself. This emotional memory is surprisingly robust, reflecting the brain’s tendency to prioritize experiences that carry emotional significance.

Processing Emotional Memories

What makes emotional memories different? Studies show that emotional arousal, not just the event itself, strengthens memory formation by engaging broader networks in the brain. When emotions are strong, many different regions of the brain become more strongly “integrated,” essentially working in concert rather than in isolation. This creates a more cohesive neural pattern that is more likely to stick. Emotional experiences are not simply more memorable; they change how the brain works together during encoding and consolidation.

At the center of emotional memory is the brain’s amygdala, a small almond‑shaped structure deeply involved in processing emotional significance. The amygdala interacts with memory systems like the hippocampus and prefrontal cortex, modulating how emotional experiences are encoded and retained. When the amygdala is activated by joy, fear, sadness, or comfort, it signals to memory systems that an experience is important, prioritizing it for deeper processing.

Dementia’s Impact

This neural interplay doesn’t disappear in dementia. Even as the disease erodes the neural circuits responsible for storing specific facts, the pathways tied to emotion often remain relatively preserved much longer. That means someone with dementia might forget what happened, but the feeling stays with them. They may not recall a birthday party, but the warmth and happiness they felt during it can still influence how they respond to similar situations later; they may no longer remember the details of a doctor’s visit, but the anxiety or reassurance they experienced can linger in their reactions long afterward.

Understanding this isn’t an academic exercise. It changes how we experience dementia. Emotional memory lives in the present moment, shaping feelings long after factual recall becomes unreliable. It explains why a calm, warm voice can soothe someone with dementia even when they don’t recall the person who’s speaking. It also explains why anxiety or fear can resurface without a clear trigger—the emotional imprint remains, even when the memory of the event has disappeared.

Application in Daily Life

What this means in everyday life is profound: in the absence of factual memory, emotional memory becomes a primary anchor for experience. Tone of voice, expressions of care, moments of comfort, and emotional reassurance take on heightened importance. The way someone speaks to a person with dementia, the emotional atmosphere of a room, and the feelings attached to interactions shape their lived reality, even when they cannot articulate or recall the interactions themselves.

Part of this emotional resilience traces back to our evolutionary wiring. Remembering emotional experiences helped our ancestors survive: fearful encounters helped avoid danger, joyful bonds strengthened social connection, and emotionally charged learning helped guide future behavior. Research shows that emotion doesn’t just make specific details vivid, it actually enhances the neural encoding of experiences, making emotionally salient moments more enduring than those without emotional significance.

This has both beauty and heartbreak in the context of dementia. On the one hand, emotional memory offers continuity, a way for moments of human warmth, compassion, and connection to “stick” even when details don’t. On the other hand, it can make distress or fear stick too. Emotional residues can create repeated anxiety in someone who doesn’t remember what caused it, making caregiving more challenging and emotional landscapes more volatile.

Lessons Learned

Still, focusing on emotional experiences reminds us that the essence of a person living with dementia doesn’t disappear with their memories. The feelings they carry—comfort, joy, fear, loneliness—remain real and present. These emotions shape their sense of self and their connection to others, reflecting a depth of experience that transcends factual recall.

In dementia care, this understanding compels us to shift our focus. It invites us to prioritize emotional presence alongside memory support. It reminds us that while someone may forget your name or the moment you shared, they feel the emotional imprint of your care. That emotional connection becomes a core part of their experience of the world, even when memory slips away.

Ultimately, dementia is not only a condition of loss. It is also a window into the enduring power of emotion, revealing that while memory of events may fade, the feelings they evoke continue to shape experience, identity, and human connection.


Sources: 

  1. Emotional Memory | ScienceDirect
  2. The Influences of Emotion on Learning and Memory | National Library of Medicine  
  3. New research explores what makes emotional memories stick | The University of Chicago 
  4. How Emotions Impact Memory: The Science Behind It | Brainstorming That Works