Why Alzheimer’s sometimes feels like time travel

Alzheimer’s disease can sometimes feel like a form of time travel because it profoundly disrupts how a person experiences and understands time. Those living with Alzheimer’s often lose their sense of when events happened, what day or year it is, and how much time has passed. This distortion of time perception can make their reality feel like it is shifting backward or forward unpredictably, as if they are moving through different eras of their own life rather than living in the present moment.

One of the key reasons Alzheimer’s feels like time travel is the way it affects memory. The disease primarily damages parts of the brain responsible for forming new memories and retrieving recent ones. As a result, people with Alzheimer’s may vividly recall events from decades ago while struggling to remember what happened just minutes or hours earlier. This can create a confusing experience where the past feels as immediate and real as the present, blurring the boundaries between different times in their life.

Additionally, Alzheimer’s impairs what is called spatio-temporal orientation—the ability to know where you are in time and space. Someone with Alzheimer’s might not know the current date, season, or even year, and they may confuse places or people. For example, they might dress for winter in the middle of summer or believe they are living in a different house or city from where they actually are. This disorientation can feel like stepping into a different time period, as their internal clock and calendar no longer align with the outside world.

The perception of how long time lasts also becomes warped. People with Alzheimer’s may think that hours have passed when it’s only been minutes, or they might believe that days or weeks have gone by when it was just a single day. This uneven sense of time passing can make their experience feel like jumping between moments that are stretched or compressed, much like traveling through time at an irregular pace.

Because Alzheimer’s affects problem-solving and planning abilities, managing daily schedules becomes difficult. Tasks that once took minutes may seem overwhelming or impossible to organize. This can lead to arriving early or late for appointments, or confusion about when events are supposed to happen. The inability to keep track of time and plan accordingly adds to the sensation of living outside the normal flow of time.

Emotional responses to these changes also contribute to the feeling of time travel. People with Alzheimer’s may become anxious or frustrated when they cannot understand what time it is or why things feel unfamiliar. They might repeatedly ask questions about the date or what they are doing, trying to anchor themselves in the present. At other times, they may retreat into memories from their youth or middle age, finding comfort in the past when the present feels confusing or frightening.

Family members and caregivers often notice that conversations with someone who has Alzheimer’s can jump between different time periods. A person might talk about their childhood as if it were yesterday, then suddenly ask about something that happened earlier that same day as if it were long ago. This shifting timeline can feel like a journey through different stages of life, experienced all at once.

In essence, Alzheimer’s disease disrupts the normal, linear experience of time. Instead of moving steadily forward from past to present to future, time becomes fragmented, fluid, and unpredictable. Memories from long ago can feel as vivid as current moments, and the present can seem lost or distorted. This altered relationship with time is why Alzheimer’s sometimes feels like a form of time travel—where the mind drifts through different eras of life, disconnected from the continuous flow of now.