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Occupational Therapy

Occupational Therapy for Cognitive Impairment

Many families buy all kinds of brain training games and apps for an older adult whose thinking is declining. The older adult practises diligently every day, and the scores do climb. Back in real life, however, memory is no better, the cooking still gets burnt and medicines are still often missed. Where does the problem lie? The answer is a core concept in rehabilitation science: transfer. This article explains why abstract brain exercises on the market struggle to improve real life, how cognitive training in occupational therapy is different, and how methods with evidence behind them, such as restorative versus compensatory approaches, errorless learning, metacognitive strategies and external aids, tie training to the life goals the older adult actually wants to achieve.

Why high brain game scores do not improve real life

Participants improved on every one of the cognitive tasks they were trained on, but the study found no evidence of any transfer effect, even to tasks that were cognitively very similar to the trained tasks.
Owen et al., 2010, Nature

This conclusion comes from an online brain training study of 11,430 participants over six weeks (Owen et al., 2010). Put simply, the trained tasks do become more skilled with practice, but this ability does not extend to other areas, and it does not turn automatically into better memory and attention in daily life. Many of the high-scoring programmes on the market stop at this limit.

What transfer means in cognitive training

To understand why cognitive training works or does not work, it helps to separate the three levels of transfer below. Occupational therapy aims for the last of them.

No transfer (practising for scores)The patient improves only on the game or test practised, and the ability does not extend anywhere else. A study of 11,430 participants showed that this is the most common result of abstract brain training (Owen et al., 2010).
Near transfer (similar tasks)Here the improvement extends only slightly to tasks of a very similar kind. However, research found no evidence of transfer even to untrained tasks with very similar cognitive demands (Owen et al., 2010). Attention training after stroke has also been shown to bring only short-lived improvement that does not last (Loetscher et al., 2019).
Far transfer (real life)This means the improvement in training turns into real performance in daily life, such as taking medicines, cooking and attending follow-up appointments independently. This is the real aim of rehabilitation, and it is the part that abstract exercises find hardest to achieve. Occupational therapy works directly at this level.

What the research shows: practising for scores and practising for life

Taking several high-level studies together, the conclusion is fairly consistent. Abstract drills removed from the context of life have limited and short-lived effects. In contrast, training that ties directly to the patient's real life goals brings clear and lasting improvement.

11,430 people / no transfer
Six weeks of online brain training
Practised tasks improved, but this did not extend to untrained tasks (Owen et al., 2010)
d = 0.97
Goal-oriented cognitive rehabilitation (large effect size)
Self-chosen life goals were achieved, with the effect lasting to 9 months; general cognitive performance did not improve (Clare et al., 2019)
SMD 0.36
Memory rehabilitation after stroke (subjective and short-term improvement only)
No clear benefit on objective memory tests, daily function or quality of life (das Nair et al., 2016)
Short-lived / not lasting
Attention rehabilitation after stroke
Divided attention improved at once but not in the longer term; there was no effect on sustained attention (Loetscher et al., 2019)

The GREAT multicentre randomised controlled trial included 475 people with early to mid-stage dementia. It found that personalised, goal-based cognitive rehabilitation gave a large effect size in self-rated goal attainment at 3 months (d = 0.97), and the benefit was kept to 9 months (d = 0.94). However, no clear difference was seen in secondary measures such as general cognition (Clare et al., 2019). In other words, improvement appears where the treatment directly targets a life goal, and only there. This shows that practising for real life is more useful than practising for scores.

The four domains of cognitive function

No single method can cope with every case in cognitive training, because cognitive ability is made up of several domains. Each domain affects daily life in its own way, and the coping strategies needed are very different. The evidence-based review by Cicerone and colleagues (121 studies, 29 clinical recommendations) set out evidence-based interventions domain by domain (Cicerone et al., 2019).

Attention

  • Sustained attention: concentrating on one task for a long time
  • Selective and divided attention: ignoring outside distractions, or keeping track of several things at once
  • Everyday impact: watching the stove while cooking, answering questions at a follow-up appointment, crossing the road

Memory

  • Short-term memory: remembering what has just happened and information just received
  • Long-term memory: recalling past experiences and knowledge the person already had
  • Everyday impact: taking medicines on time, remembering appointment dates, turning off the stove and electrical appliances

Executive function

  • Planning and organising: breaking a complex task into steps and doing it in order
  • Judgement and problem solving: making decisions according to the real situation
  • Everyday impact: preparing three meals, managing everyday money, coping with unexpected events

Orientation

  • Orientation to person: knowing who oneself and the people around are
  • Orientation to time and place: knowing today's date and where one is
  • Everyday impact: keeping a regular routine, not getting lost outdoors, recognising family members

Two directions in occupational therapy: restoring function and compensating

Cognitive training follows two main routes. One is restorative, which aims to repair the damaged function itself. The other is compensatory, which uses strategies and external tools to work around the loss and reach a life goal. For memory or attention deficits after stroke, and for dementia, the benefit of direct restoration is usually limited and hard to sustain, and the compensatory route often fits real needs better.

Restorative
  • Aim: try to repair the damaged cognitive function itself
  • Direct memory training after stroke gave only short-term subjective improvement, with no significant effect on objective memory or function (das Nair et al., 2016)
  • Plain attention drills have limited and short-lived effects (Loetscher et al., 2019)
  • Suits patients with a higher potential for recovery in early rehabilitation, but should not be the only approach
Compensatory
  • Aim: use strategies, external tools and metacognition to work around the loss and reach life goals directly
  • Compensatory strategies for mild memory impairment and metacognitive strategy training for executive function are listed as "practice standards" (Cicerone et al., 2019)
  • Goal-oriented rehabilitation aimed at real life goals has a large and lasting effect (Clare et al., 2019)
  • Suits patients whose function is unlikely to recover fully, or who have a degenerative condition

Techniques commonly used in occupational therapy

Within the framework of restorative versus compensatory approaches, occupational therapy has several core techniques that each have evidence behind them. No single technique is the most effective. What matters is combining them flexibly according to the domains affected, the potential for recovery and the patient's life goals.

Errorless learningDuring instruction, the patient is kept from making mistakes as far as possible. A literature review confirmed that when people with dementia are taught meaningful everyday tasks, errorless learning works better than allowing trial and error, and the gains generally last (de Werd et al., 2013).
Spaced retrievalThe patient is guided to recall a piece of information repeatedly, with the interval between recalls lengthened step by step. Research shows that even older adults with probable Alzheimer's disease can learn and remember information through this systematic method, and the effect lasts (Cherry & Simmons-D'Gerolamo, 2005).
Metacognitive strategy trainingThe patient is taught to break a complex task into small parts, set cues, and stop at the right moments to check whether they have drifted from the goal. Goal management training combined with external cues clearly improves everyday executive function, with the effect lasting at least 6 months (Tornås et al., 2016).
Cognitive stimulationThis is a group format that stresses social interaction and varied activities. A Cochrane review found that this therapy has positive effects on cognition, quality of life and social communication (Woods et al., 2023).

Errorless learning: why the patient should not learn by trial and error

People with impaired memory often remember the mistakes they have made, and these are hard to correct later. If the patient is allowed to keep making errors, the errors can become more firmly fixed. A literature review confirmed that when adults with dementia are taught everyday tasks, errorless learning works better than allowing errors or giving no treatment, and the improvement generally lasts to follow-up. This shows that people with dementia can still learn useful life skills, which raises their ability to look after themselves and can also lighten the carer's load (de Werd et al., 2013; Cherry & Simmons-D'Gerolamo, 2005).

Training executive function: task analysis and goal management

For people with impaired executive function, the problem is often not that they do not know how to do a task, but that they lose the order when doing it. Metacognitive strategy training (such as goal management training) teaches a set of thinking steps that can be used again and again, helping the patient to break a complex task such as preparing breakfast into parts, carry it out and check it. A randomised controlled trial in people with chronic brain injury showed that this training, combined with external cues, improved everyday executive function, with the effect lasting at least 6 months (Tornås et al., 2016). Cicerone's review also lists it as a practice standard (Cicerone et al., 2019).

  1. 1
    Stop
    When about to do something, stop first and concentrate.
  2. 2
    Define
    State clearly what is to be done now, for example "cook a bowl of instant noodles".
  3. 3
    List
    Break the task into small steps in order: boil water → add noodles → add seasoning → turn off the heat → put in a bowl.
  4. 4
    Do and check
    Carry out the steps in order, with external cues. When finished, stop and check that nothing was missed.

How reality orientation and cognitive stimulation are done

In reality orientation, if the approach is too stiff, for example constantly asking what the date is and where the person is, the patient easily feels interrogated and anxious, and it backfires. A better way is to build cues about time, place and people naturally into daily life in a gentle, respectful and conversational way. A Cochrane review covering 37 RCTs and 2,766 people with dementia found that cognitive stimulation therapy, which centres on enjoyable activities and social interaction, helps cognition slightly (MMSE 1.99 points higher than the control group, which is clinically meaningful). It also improved quality of life and the communication and social interaction rated by staff or carers (SMD 0.53, high-quality evidence) (Woods et al., 2023). The AOTA 2024 practice guidelines also stress that cognitive intervention should centre on daily function and meaningful participation in life, and should involve carers (Smallfield et al., 2024).

Using external aids in place of memory

When damaged memory or attention is hard to repair, the most practical approach is not endless drilling, but using external tools to move the needed function out of the head. Compensatory strategies for mild memory impairment are now listed as an evidence-based practice standard (Cicerone et al., 2019). Research on memory after stroke also suggests that direct memory training may not turn into objective functional improvement, so the compensatory route deserves more reliance (das Nair et al., 2016). The following are common external aids.

  • Pill organiser and medication reminders—A pill organiser divided by day or by meal, together with a phone alarm, means the person does not have to rely on memory alone to take medicines.
  • Large-print calendar and whiteboard—A large-print calendar kept in a fixed place, with the date, appointment times and daily activities written on it, helps the patient keep track of time and remember plans.
  • Phone reminders and to-do lists—Setting tasks as timed reminders removes the need to remember them.
  • Labels on objects and rooms—Clear words or pictures on cupboard and room doors make it easier to find things and find the way.
  • Checklists and process cards—Tasks with several steps, such as cooking or going out, can be written as a checklist in advance and checked off each time, helping the patient to complete them.

How home-visit cognitive training deals with the problem of transfer

The hardest obstacle in cognitive training is context dependence: a method learned in a clinic often turns out to be of little use once the person is back at home. In home-visit occupational therapy, the therapist works directly in the patient's familiar kitchen, at the medicine cabinet and in front of the calendar, carries out errorless learning and reality orientation on the spot, and builds external aids into the real flow of life. This avoids the problem of failed transfer at its root and lets the practical benefit be as large as possible.

Training in the real home

  • Practising directly in front of the patient's own kitchen, medicine cabinet and calendar, without having to learn in a clinic and then work out how to apply it at home
  • Using errorless learning and spaced retrieval directly on real daily tasks (de Werd et al., 2013)
  • Placing the pill organiser, calendar, labels and other aids exactly where they will actually be used

Aimed at real life goals

  • The whole training centres on what the patient really wants to do, such as taking medicines, cooking and attending follow-up appointments independently
  • Goal-based cognitive rehabilitation helps patients reach self-chosen life goals, and the effect lasts (Clare et al., 2019)
  • Carers are also taught the relevant skills, so that the training effect can be kept up in daily life outside therapy time

Cognitive function and daily activities (medicines, cooking, shopping, appointments, social life)

There is really only one question cognitive training has to answer in the end: can the patient do this daily task alone today? The table below sets common daily activities against the cognitive functions involved and the evidence-based direction of occupational therapy. The core principle remains to tie practice to these meaningful real-life tasks (Clare et al., 2019; Smallfield et al., 2024).

Daily activity × cognitive functions involved
  • Taking medicines: memory, attention, orientation to time
  • Cooking: planning, sequencing, sustained attention
  • Shopping: memory, calculation, judgement
  • Follow-up appointments and managing dates: memory, orientation to time, planning
  • Social interaction: attention, memory, judgement
Evidence-based direction in occupational therapy
  • Taking medicines: divided pill organiser + phone reminders (compensatory external aids)
  • Cooking: process card + metacognitive task analysis (Tornås et al., 2016)
  • Shopping: shopping list and working out the budget beforehand (compensatory strategies)
  • Follow-up appointments: large-print calendar + timed reminders (external aids)
  • Social life: socially based cognitive stimulation, gentle and meaningful (Woods et al., 2023)

Frequently asked questions

Do the many brain training apps and games on the market really improve memory or attention?
A large study of more than eleven thousand people found that participants did improve on the games they trained on, but the improvement did not transfer to other, untrained abilities or to real life. In other words, even after becoming skilled at a game, memory and attention in daily life showed no real improvement. Cognitive training in occupational therapy is quite different. It ties practice directly to the daily tasks the older adult wants to complete (such as preparing breakfast alone or taking medicines on time), and does not chase an abstract score.
If cognitive ability is already damaged by a stroke or degeneration, is training still worthwhile?
Yes, but it has to be aimed at a goal. When damaged brain function is hard to repair, occupational therapy switches to compensatory strategies. It teaches the patient to use techniques and external tools (such as a calendar, phone reminders, a pill organiser and labels) to work around the loss and complete daily goals directly. The large GREAT trial showed that, even when scores on general cognitive tests did not change, goal-oriented cognitive rehabilitation still led to clear and lasting improvement in self-chosen life goals for people with early dementia, and the benefit lasted to 9 months.
What is errorless learning? Why don't therapists let the patient learn by trial and error?
Errorless learning means avoiding mistakes by the patient as far as possible during instruction. People with impaired memory often remember the mistakes they have made, and these are very hard to correct afterwards. A literature review confirmed that when people with dementia are taught meaningful everyday tasks, errorless learning works better than allowing trial and error, and the effect lasts. This shows that, even with cognitive impairment, patients can still learn useful life skills.
Could reality orientation (constantly reminding the person of the date and place) leave an older adult feeling quizzed and under pressure?
Yes, if it is done stiffly, it can backfire. Reality orientation and cognitive stimulation should be built into daily life in a gentle, respectful and sociable way, and should not become a constant stream of test questions. A Cochrane review found that cognitive stimulation therapy, which centres on enjoyable activities and social interaction, brings a small benefit to cognition (MMSE about 2 points higher on average), clearly improves quality of life and social communication, and no negative effects were reported.
Can executive function (planning, organising, judgement) be trained?
Yes. The method with the most evidence is metacognitive strategy training, represented by goal management training. It teaches the patient to break a complex task into steps, set cues, and stop at the right moments to check the goal. A randomised controlled trial in people with chronic brain injury showed that goal management training combined with external cues clearly improved everyday executive function, with the effect lasting at least 6 months. Cicerone's evidence-based review also lists metacognitive strategy training as a "practice standard" for executive function deficits.
Why is home-visit cognitive training more effective than training at a centre?
The hardest problem in cognitive training is context dependence: a skill learned in a clinic often cannot be used once the person is back at home. In home-visit occupational therapy, the therapist works directly in the older adult's kitchen, at the medicine cabinet and in front of the calendar, carries out errorless learning and reality orientation on the spot, and places external aids in the real flow of daily life. This avoids the problem of failed transfer at its root. The success of the GREAT trial was also based on this kind of personalised training aimed at the patient's real life goals.

Cognitive training often needs different professional services to work together. To learn more about the behavioural and psychological symptoms of dementia (BPSD), see the pages on how occupational therapy approaches wandering, sundowning and eating difficulty. To maintain the patient's physical function, see physiotherapy for dementia. To help an older adult practise repeatedly and use cognitive strategies in daily life, the cognitive training support of the care worker service is also worth reading about. If the cognitive impairment was caused by a stroke, see occupational therapy after stroke.

Disclaimer: This article is general health information and is not professional medical advice. If you have any health concerns, please consult a qualified healthcare professional.

References

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