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ADHD and Memory: 12 Forgetful Moments Only ADHD Gets

ADHD and memory
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Written by Andrew Le, MD.
Medically reviewed by
Last updated October 10, 2025

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Researchers tested different types of memory in adults with ADHD, and the results weren’t pretty. Those who were not on medication showed significant impairments across all memory types. Even with medication, performance improved, but their overall performance still lagged behind that of healthy adults.

If you have been living with ADHD, you already know what this feels like. Below, you’ll find the everyday “forgetful moments” that make life harder and show how ADHD and memory are more closely linked than you might realize.

🔑 Key Takeaways

  • ADHD and memory problems are not random slips. They stem from measurable differences in working memory, prospective memory, and reliance on environmental cues.
  • Prospective memory challenges may fuel procrastination since remembering future tasks depends on planning, self-initiation, and follow-through, areas where ADHD creates barriers.
  • Forgetting in ADHD extends across settings. Physical spaces, digital environments, and even social interactions all reveal the same underlying memory difficulties.
  • Scientific studies confirm these struggles across age groups, showing that memory deficits persist into adulthood and are tied to ADHD symptom severity.
  • Medication can improve memory function, but even with treatment, most people still need practical systems to support daily memory demands.
  • Effective coping strategies rely on externalizing memory, like turning tasks into visible, physical, or interactive cues rather than relying solely on internal recall.

12 moments that show the link between ADHD and memory

Each mini-story below might be all too familiar to you if you have ADHD.

1. Forgetting why you entered a room

You walk into your bedroom, knowing you came for a reason. But the second you step in, it’s gone.

ADHD is often linked to weaker working memory, which is the mental system we use to hold and manipulate information. Research shows that up to 81% of children with ADHD have central executive working memory deficits, and these are strongly tied to symptom severity. Other studies confirm these problems continue into adulthood.

Another factor is context-dependent memory, which relies on environmental cues to trigger recall. A classic example is Godden and Baddeley’s 1975 diver study. Divers who learned words underwater remembered more when tested underwater, while those who learned on land recalled better on land.

Studies suggest context-dependent memory relies on the frontal regions of the brain, the same areas most impacted by ADHD.

When you decide to fetch something, you often form that intention in a particular context.

For example, you’re in the kitchen thinking, “I need my charger from the bedroom.” The kitchen environment contains cues that support that memory, like seeing your phone or noticing the outlet. As soon as you walk into a new room, the environmental cues change. Without the original context cues, it becomes harder to recall. This is why sometimes going back to the original room makes you remember.

2. Losing your thought after a phone notification

You’re explaining something important to a friend, then your phone buzzes. You glance at the screen, and just like that, the thought is gone. They’re staring at you, waiting, but your brain is empty. Later, while brushing your teeth, the missing sentence finally comes back.

While a phone ping can distract anyone, people with ADHD often need more time to return to what they were doing or saying.

3. Remembering a task too late at night

You’re almost asleep when your brain yells, “You never switched the laundry to the dryer!” Another night, you remember you promised to reply to a work email, but now it’s 12:30 a.m. You debate between getting up or just hoping you’ll remember in the morning.

During the day, distractions are constant. At night, the environment is quieter and there are fewer external interruptions. With less sensory noise, working memory has more space to bring back tasks or thoughts that were forgotten earlier.

4. Forgetting why you opened a tab or an app

You open your phone planning to transfer money. But as soon as the banking app loads, you forget why you’re there. Instead, you check Instagram or scroll TikTok. Later, when you’re at the store and your card almost declines, you remember you were supposed to move money earlier.

It’s like forgetting why you walked into a room, but in the digital world. On r/adhdwomen, one person said she grabbed her phone to set a cooking timer, and within two seconds, completely blanked on what app she needed. She ended up turning to her husband and asking what she had planned.

Another person even came up with a name and called it “new-tab-nesia,” as they often forget what they meant to search whenever they open a tab.

5. Forgetting to refill medications on time

You wake up, open the pill bottle, and it’s empty. You probably saw the pharmacy text days ago, but you swiped it away, thinking you’d deal with it later. Now you’re completely out.

If you live with ADHD, this probably sounds familiar, and it comes down to something called prospective memory.

Prospective memory is the ability to remember to do something in the future. Researchers usually split it into two types:

  • Time-based prospective memory – remembering to do something at a certain time (e.g., “Call Mom at 7 p.m.”)
  • Event-based prospective memory – remembering to act when a cue appears (e.g., “Give my friend the book when I see her”)

A 2019 study found that adults with ADHD had clear problems with prospective memory in everyday life, and this deficit acted as a bridge between ADHD symptoms and procrastination. This means the forgetfulness around future tasks helps explain why people with ADHD procrastinate more.

In a past study, 45 adults with ADHD (not on medication) and 45 healthy controls completed a complex prospective memory task that tested four skills:

  • Task planning
  • Plan recall
  • Self-initiation
  • Execution

Results showed that adults with ADHD showed big problems with task planning, meaning they had trouble organizing and structuring future tasks. If the plan is vague or poorly structured, it’s harder to follow through later.

6. Forgetting people’s names

Remembering names is often harder for people with ADHD.

Memory storage for names is actually distributed across different systems in the brain, depending on how you’re using or recalling the name. These include:

  • Semantic memory (part of long-term memory): Names you know as facts, like “Barack Obama” or “Paris,” are stored here.
  • Episodic memory (personal experiences): Names tied to a specific event, like “I met John at my cousin’s wedding,” are stored with episodic memory.
  • Working memory (short-term use): When you’re trying to hold a name in mind for just a moment.

Research shows that children with ADHD perform worse than their peers on working and semantic memory tasks, but do just as well, or even better, on long-term episodic memory tasks.

In practice, this means you’re more likely to remember a name when it’s linked to a personal or meaningful experience rather than simple memorization.

7. Missing appointments on your calendar

Missing appointments is a well-documented ADHD pattern tied to problems in memory, specifically, time-based prospective memory. This refers to the ability to remember to do something at the right time.

A recent trial used a realistic virtual reality game, which simulates everyday life tasks, in kids with and without ADHD (ages 9-13) to figure out the cause of the problem. Is it because they don’t check the time enough, or because of how they check it?

The results found that they checked the time less strategically (not at the right moments when it would help them act on time).

Strategic clock-checking explained 22% of the performance gap and fully explained why kids with ADHD did worse. When taken together, having ADHD and differences in time-checking strategies explained about 54% of performance differences.

8. Forgetting what you wanted in the fridge

Another version of the “walk into a room and forget” moment is opening the fridge and thinking, “Wait, what was I looking for?” But when the door swings open, your mind is blank.

You stand there staring at milk, leftovers, and ketchup bottles, but nothing clicks. So you shut the door, sit back down, and that’s when it finally hits you. You wanted the butter for your toast.

9. Reading without remembering anything

You read three pages of a book, then pause and realize you don’t know what just happened in the story. You go back to reread, only for the same thing to happen again.

On r/ADHD, many users said they related strongly, describing how they often forget what they’ve read immediately. Multiple people said ADHD medication significantly improved reading comprehension. One described being unable to absorb anything unmedicated, but reading normally when on stimulants.

Others said they had “windows” during the day, when medication was most effective, and that was when they scheduled reading.

10. Forgetting the main item while shopping

People with ADHD often joke that they can walk into a store, buy $40 worth of groceries, and leave without the single item they came for. This is so common that ADHD forums are full of posts describing it as both a daily nuisance and a kind of running inside joke.

This is why it helps to bring a list when you go grocery shopping. With weaker working memory, the store’s sights, sounds, and endless choices easily pull your attention away. Before you know it, the original goal, the milk, the prescription, the birthday card, gets crowded out by whatever’s in front of you.

11. Leaving without keys or ID badge

You’re proud of leaving the house on time, until you reach the car and realize your keys are not with you. Or you arrive at work only to realize your badge is clipped to yesterday’s sweater at home.

12. Forgetting laundry in the washer

You start the washer, then get distracted by other things. Hours later, or even the next day, you open it and find clothes that smell damp. You sigh, restart the cycle, and hope you’ll remember this time.

On r/adhdwomen, someone admitted that they frequently put laundry in the washer and then forget about it for days. Their intention is always to set an alarm, but either they forget to set it or get distracted by their phone while trying. This habit frustrates their boyfriend, since clothes often end up sitting wet for one or two days and need to be rewashed. The problem is made worse because their washer and dryer are in the basement, an area they don’t pass by regularly.

Many commenters said they also lose track of laundry, joking that once the clothes are in the washer, it’s like they disappear from existence. Others recommended smart washers that send phone alerts when cycles finish. Others paired phone reminders with physical timers or noisy alarms to make forgetting less likely.

Tips for managing ADHD and memory problems

Below are some practical strategies that work with how the ADHD brain functions.

Make memories physical

Instead of trying to hold a plan in your head, anchor it to your environment. For example, if you need to bring something with you tomorrow, put it in front of the door or inside your shoes. The ADHD brain is more likely to remember when the task is physically blocking the next action.

Use “chain linking”

Bundle a new task with something you already do reliably. If you want to take medication, place the bottle next to your toothbrush or coffee maker. Each time you engage in the anchor habit, the new task is triggered. This technique piggybacks on routines your brain already follows automatically.

Capture in motion

Many people with ADHD forget thoughts because they vanish in seconds. Instead of waiting to write it down, speak it into your phone as a voice memo or record a quick video of yourself explaining what you need to remember. Voice and movement strengthen recall much more effectively than static lists.

Make it obnoxious

Plain alarms and sticky notes are easy to ignore. ADHD brains respond better to novelty and intensity.

Use alarms with funny or jarring ringtones, or set a smart light to flash in a different color when it’s time to leave. Make your cues hard to ignore, even a little silly, to make them memorable. There are also alarm apps that require solving puzzles or scanning a barcode to prevent automatic snoozing.

Force a “second brain” that talks back

Instead of just dumping info into a planner or app, use tools that engage you back.

Apps like MyBookQuest, Notion, or Todoist with AI prompts will resurface tasks until you actually confirm completion. Voice memos or smart speakers that “nag” until acknowledged are also effective than passive alarms.

The ADHD brain needs a dynamic system that doesn’t shut up until you act.

Build “forgetting buffers”

Plan for the fact that you will forget. If you often lose track of laundry, set up environmental failsafes.

If you often forget your work badge, attach it to your car keys. You can’t drive off without noticing it, so the badge comes with you automatically.

If you prepare a lunchbox and always forget it in the fridge, use the lunch bag as your reminder. Hang the empty bag on the door you exit. When you see it as you’re about to leave, it triggers you to open the fridge and put the lunchbox inside before heading out.

This way, even if memory fails, your environment catches you.

Final thoughts

ADHD and memory are closely connected. Every day slip-ups trace back to issues in working memory, prospective memory, and context-dependent recall. Research confirms these problems persist into adulthood and explain why tasks often fall through the cracks. But it can be supported through systems that work with how the ADHD brain operates. You can make daily life less frustrating and more manageable by understanding how ADHD affects memory and building smarter supports.

FAQs about ADHD and memory

Can ADHD medications help with memory?

Yes. Memory problems in ADHD are linked to low dopamine and norepinephrine, chemicals the prefrontal cortex needs for working memory, attention, and self-control. Stimulants like methylphenidate and amphetamine raise these chemicals. In a trial, methylphenidate improved delayed word recall, showing better declarative memory. A 2024 meta-analysis also found that methylphenidate improved working memory.

Are there brain-training exercises that can improve memory in ADHD?

Some cognitive training tools and memory exercises may help with working memory, but results vary. One of the most studied is the Cogmed Working Memory Training (CWMT). In a randomized trial, CWMT led to improvements in working memory, inhibition, reasoning, and even ADHD symptoms in children, with effects lasting for at least three months. A 2012 study also found that CWMT helped adolescents with both learning disabilities and ADHD improve specific memory skills more effectively than math training.

Can exercise help improve memory in people with ADHD?

Yes. A large analysis of over 2,500 randomized controlled trials and about 258,000 participants found that exercise led to improvements in general cognition, memory, and executive function across all age groups and populations. People with ADHD had especially strong improvements.

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Jeff brings to Buoy over 20 years of clinical experience as a physician assistant in urgent care and internal medicine. He also has extensive experience in healthcare administration, most recently as developer and director of an urgent care center. While completing his doctorate in Health Sciences at A.T. Still University, Jeff studied population health, healthcare systems, and evidence-based medi...
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References

  • Kofler, M. J., Singh, L. J., Soto, E. F., Chan, E. S. M., Miller, C. E., Harmon, S. L., & Spiegel, J. A. (2020). Working memory and short-term memory deficits in ADHD: A bifactor modeling approach. Neuropsychology, 34(6), 686–698. https://doi.org/10.1037/neu0000641
  • Alderson, R. M., Hudec, K. L., Patros, C. H. G., & Kasper, L. J. (2013). Working memory deficits in adults with attention-deficit/hyperactivity disorder (ADHD): An examination of central executive and storage/rehearsal processes. Journal of Abnormal Psychology, 122(2), 532–541. https://doi.org/10.1037/a0031742
  • Godden, D. R., & Baddeley, A. D. (1975). CONTEXT‐DEPENDENT MEMORY IN TWO NATURAL ENVIRONMENTS: ON LAND AND UNDERWATER. British Journal of Psychology, 66(3), 325–331. https://doi.org/10.1111/j.2044-8295.1975.tb01468.x
  • Kerns, K. A., & Macoun, S. J. (2014). Context-specific memory in children with ADHD. International Journal of Developmental Disabilities, 60(3), 184–197. https://doi.org/10.1179/2047387714y.0000000046
  • Altgassen, M., Scheres, A., & Edel, M. (2019). Prospective memory (partially) mediates the link between ADHD symptoms and procrastination. ADHD Attention Deficit and Hyperactivity Disorders, 11(1), 59–71. https://doi.org/10.1007/s12402-018-0273-x
  • Fuermaier, A. B. M., Tucha, L., Koerts, J., Aschenbrenner, S., Westermann, C., Weisbrod, M., Lange, K. W., & Tucha, O. (2013). Complex Prospective Memory in Adults with Attention Deficit Hyperactivity Disorder. PLoS ONE, 8(3), e58338. https://doi.org/10.1371/journal.pone.0058338
  • Skowronek, J. S., Leichtman, M. D., & Pillemer, D. B. (2008). Long‐Term Episodic Memory in Children with Attention‐Deficit/Hyperactivity Disorder. Learning Disabilities Research and Practice, 23(1), 25–35. https://doi.org/10.1111/j.1540-5826.2007.00260.x
  • Seesjärvi, E., Zuber, S., Joly-Burra, E., Kliegel, M., & Salmi, J. (2025). A naturalistic virtual reality task reveals difficulties in time-based prospective memory and strategic time-monitoring in children with ADHD. Scientific Reports, 15(1). https://doi.org/10.1038/s41598-025-08944-w
  • Verster, J. C., Bekker, E. M., Kooij, J. J. S., Buitelaar, J. K., Verbaten, M. N., Volkerts, E. R., & Olivier, B. (2010). Methylphenidate significantly improves declarative memory functioning of adults with ADHD. Psychopharmacology, 212(2), 277–281. https://doi.org/10.1007/s00213-010-1952-2
  • Isfandnia, F., Masri, S. E., Radua, J., & Rubia, K. (2024). The effects of chronic administration of stimulant and non-stimulant medications on executive functions in ADHD: A systematic review and meta-analysis. Neuroscience & Biobehavioral Reviews, 162, 105703. https://doi.org/10.1016/j.neubiorev.2024.105703
  • Klingberg, T., Fernell, E., Olesen, P. J., Johnson, M., Gustafsson, P., Dahlström, K., Gillberg, C. G., Forssberg, H., & Westerberg, H. (2005). Computerized Training of working Memory in children with ADHD-A randomized, controlled trial. Journal of the American Academy of Child & Adolescent Psychiatry, 44(2), 177–186. https://doi.org/10.1097/00004583-200502000-00010
  • Gray, S., Chaban, P., Martinussen, R., Goldberg, R., Gotlieb, H., Kronitz, R., Hockenberry, M., & Tannock, R. (2012). Effects of a computerized working memory training program on working memory, attention, and academics in adolescents with severe LD and comorbid ADHD: a randomized controlled trial. Journal of Child Psychology and Psychiatry, 53(12), 1277–1284. https://doi.org/10.1111/j.1469-7610.2012.02592.x
  • Singh, B., Bennett, H., Miatke, A., Dumuid, D., Curtis, R., Ferguson, T., Brinsley, J., Szeto, K., Petersen, J. M., Gough, C., Eglitis, E., Simpson, C. E., Ekegren, C. L., Smith, A. E., Erickson, K. I., & Maher, C. (2025). Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review and meta-meta-analysis. British Journal of Sports Medicine, bjsports-108589. https://doi.org/10.1136/bjsports-2024-108589
  • Fuermaier, A. B. M., Tucha, L., Koerts, J., Weisbrod, M., Lange, K. W., Aschenbrenner, S., & Tucha, O. (2016). Effects of methylphenidate on memory functions of adults with ADHD. Applied Neuropsychology Adult, 24(3), 199–211. https://doi.org/10.1080/23279095.2015.1124108