Attention restoration theory: does nature really refresh your focus?

Attention restoration theory is the idea that time in nature can refill the kind of attention you spend at a desk. You know the feeling it tries to explain: after a long morning of email, documents and calls, a walk under trees seems to clear your head in a way that ten minutes on your phone never does. The theory gives that feeling a mechanism, and it is one of the most cited ideas in environmental psychology.

It is also often oversold. Popular articles tend to quote one 2008 experiment and a headline percentage, then move on. The wider research is more mixed. Two systematic reviews found real but modest effects on a few kinds of attention tasks and no clear effect on many others. Critics argue that parts of the theory have never been properly tested. And recent experiments with nature pictures on a screen have produced some null results.

Short answer: time in natural settings does seem to give some measures of attention and working memory a small lift, and real outdoor time has looked stronger than pictures or video. The effects are modest, they vary by task, and the theory's explanation of why it works is still debated. A short walk somewhere green is a reasonable break to try, not a guaranteed reset.

What is attention restoration theory?

Attention restoration theory, often shortened to ART, was developed by the psychologists Rachel and Stephen Kaplan in the 1980s and set out as an integrative framework by Stephen Kaplan in 1995. Its starting point is a distinction between two kinds of attention.

• Directed attention is the effortful kind. You use it to keep reading a dense report, ignore the conversation behind you or hold a plan in mind. The theory sees it as a limited resource that tires with use, a state the Kaplans called directed attention fatigue.
• Involuntary attention, or fascination, is the kind that is captured without effort, by something interesting or moving in front of you.

The theory's central claim is that some environments engage involuntary attention gently, which lets directed attention rest and recover. Kaplan called this gentle engagement soft fascination: clouds, leaves moving, water, birdsong. A busy street is different. It grabs attention hard, with horns and traffic, and it also demands directed attention, because you need to watch where you are going (Berman, Jonides and Kaplan, 2008).

The four qualities of a restorative place

Kaplan described four qualities that make a setting restorative. They are worth knowing because they explain what the theory predicts, and they also show where critics think it is vague.

Quality	What it means	Everyday example
Being away	A sense of distance from your usual demands, physical or mental	Leaving the desk, not just switching tabs
Soft fascination	Things that hold attention gently, without effort	Trees moving in wind, water, a wide view
Extent	A setting rich and coherent enough to feel like a world of its own	A park path rather than a strip of grass by a road
Compatibility	The setting fits what you want to do right now	A quiet walk when you want quiet, not a crowded event

The experiment everyone cites

The study behind most popular articles is a 2008 paper by Marc Berman, John Jonides and Stephen Kaplan at the University of Michigan. In two experiments, people walked in a natural setting or an urban one, or looked at pictures of nature or of cities. Afterwards, the nature groups did better on tests of directed attention: a backward digit span task, where you repeat a string of numbers in reverse order, and the executive part of the Attention Network Test (Berman, Jonides and Kaplan, 2008).

A later study tested the picture version with 30 healthy adults aged 64 to 79 and 26 university students. After six minutes of nature pictures, executive attention on the Attention Network Test improved in both age groups. Six minutes of urban pictures did not have that effect, and other parts of attention, alerting and orienting, did not change with either set of pictures (Gamble, Howard and Howard, 2014, full text).

These are small lab studies. They are a good reason to take the idea seriously, but a single striking percentage from one of them is not a reliable estimate of what a walk will do for you. For that, you need the reviews.

What the systematic reviews found

Two systematic reviews from 2016 and 2018 pooled the experimental evidence. Both included only studies that compared natural settings with other settings and used objective attention tests, not just how people felt.

Review	What it included	What it found
Ohly and colleagues, 2016	31 studies, with meta-analyses for 13 attention measures	Significant positive effects for 3 measures: digit span forward, digit span backward and Trail Making Test B. The other 10 meta-analyses did not show marked benefits.
Stevenson, Schilhab and Bentsen, 2018	42 articles published after mid 2013, 49 outcome measures grouped into 8 cognitive areas	Working memory and cognitive flexibility improved after nature exposure, and attentional control did so less reliably, with low to moderate effect sizes. Real environments looked stronger than virtual ones, though that may reflect longer exposures.

The Ohly review was blunt about the limits: few studies per measure, small samples, inconsistent reporting of study quality and very different outcomes. Its authors concluded that it is still uncertain which parts of attention nature actually affects. The Stevenson review was more positive, but it also found that the role of how depleted people were beforehand, which the theory says should matter a lot, was less clear.

A fair summary of both: something real seems to happen, mostly on tasks that load working memory and switching, but the effects are modest and not every attention test moves.

The case against: is the theory too vague?

In 2018 Yannick Joye and Siegfried Dewitte published a critical review of attention restoration theory in the Journal of Environmental Psychology (Joye and Dewitte, 2018). They do not dispute that nature can be good for people. Their argument is about the theory itself:

• Key ideas are vague. Soft fascination, the heart of the explanation, has never had a clear, measurable definition.
• The main prediction is under-tested. If nature works by restoring a depleted resource, the benefit should be largest when people start out depleted. Few studies were designed to show that the effect is truly a recovery effect.
• The evolutionary story is weak. The idea that restoration in nature is an ancient adapted response has little direct support.

Newer experiments add to the uncertainty, especially for nature seen on a screen. In a 2025 study, 63 people viewed nature or urban images for 10 minutes before a flanker task while their EEG was recorded. The researchers looked at the error-related negativity, a brain response that follows mistakes and is linked to error monitoring. They found no difference between nature and urban images, and no change across sessions. Their reading is that brief 2D nature images may not produce the same responses as real nature (Collins and colleagues, 2025, full text).

Another 2025 study placed nature or urban photos behind a classic attention cueing task. Nature backgrounds did not speed people up overall. They did slow responses when a cue pointed to the wrong place, along with a larger brain response in that condition. The authors read this as possibly consistent with the theory, but it is a narrow, mixed result rather than a clear boost (Piedimonte and colleagues, 2025, full text).

A 2022 review of rest-break research places attention restoration theory beside other explanations for why breaks help, including resource models and models in which people simply become satiated with a task. It argues that the field still needs better methods to tell these explanations apart (Schumann and colleagues, 2022, full text). In other words, a walk might help for reasons the theory does not fully capture, such as distance from the task, light movement or simply a change.

Beyond attention scores: rumination and the workday

Two studies widen the picture in ways that matter for knowledge work.

In a Stanford study, healthy adults took a 90 minute walk either in a natural area or in an urban setting. Only the nature walk was followed by less self-reported rumination, the repetitive, self-focused thinking that is hard to switch off, and by lower activity in a brain region the authors link to that kind of thinking. The urban walk did not change either measure (Bratman and colleagues, 2015, full text). If evenings full of work thoughts are your issue, our guide on how to stop thinking about work covers rumination in more depth.

A Finnish workplace study brought the idea to the lunch break. Employees were asked to take a 15 minute park walk (51 people) or do a 15 minute relaxation exercise (46 people) at lunch on 10 consecutive working days, with well-being measured before, during and after over 5 weeks. On park walk days, people reported better concentration and less fatigue in the afternoon, and the link ran through how much they enjoyed the break. Relaxation exercises were linked with better afternoon concentration through mental detachment from work (Sianoja and colleagues, 2018). The outcomes were self-reported, and the relaxation group did about as well in its own way, which suggests the key ingredient may be a break that is genuinely restful, not nature alone.

How to use attention restoration at work

Given what the evidence does and does not show, here is a practical way to apply it without expecting too much.

• Go outside when you can. Real environments looked stronger than virtual ones in the 2018 review, and the screen-based studies above were mixed. A short walk in a park or a tree-lined street is a better bet than a nature wallpaper.
• Make it a real break. Leave the work and the phone behind. Scrolling a feed is another stream of demands, not soft fascination. Our guide to brain breaks for adults covers what counts as a proper break.
• Pick something enjoyable. In the lunch break study, enjoyment carried the effect of park walks. A route you like is more useful than a route that is merely green.
• Place it where attention dips. Many people use a walk before the afternoon slump or after a block of deep work. If you work in cycles, as described in our article on the ultradian rhythm, the end of a cycle is a natural moment.
• Use views when you cannot leave. The picture studies suggest brief exposure can help on some tasks, though results are inconsistent. Looking out a window at trees for a few minutes costs little.
• Do not expect it to fix overload. If your day is full of context switching and interruptions, a walk will not fix the cause. Pair it with fewer switches and clearer blocks of time, and see our guide to cognitive overload.

A two-week test

Because effects vary from person to person and task to task, the most useful evidence is your own. Here is a simple comparison.

• Week 1: take your usual mid-day break. Afterwards, note how focused you feel on a 1 to 5 scale, and how long it takes to settle back into work.
• Week 2: on the same days, take a 15 minute walk somewhere green, without your phone in hand. Make the same notes.
• Add a quick check: before and after each break, run a short task such as our attention span test or a fixed piece of routine work you can time.
• Review: compare the two weeks. Look at your afternoon output too, not only how you felt. If the green walk made no difference, try a different kind of break, such as the relaxation exercise that also helped in the lunch break study.

Where Zone fits

Zone is a pair of EEG earbuds with an app that shows app brain states, such as Locked In, In Flow, Drifting, Running Hot and Depleted. The earbuds read signals through an in-ear EEG array, explained in our article on in-ear EEG. If you run the two-week test while wearing Zone during your work sessions, you can set the session summaries from after green walks beside those from after ordinary breaks, for example to see how quickly the app showed Locked In again or how often it showed Drifting. Our guide to focus tracking explains more. Treat these as app estimates, not a measure of attention restoration, and keep your own notes and finished work as the main evidence. Zone does not diagnose, treat, or manage any medical condition.

Common questions

What is attention restoration theory in simple terms?

It is the idea that effortful attention gets tired with use, and that natural settings, which hold attention gently, let it rest and recover. It was developed by Rachel and Stephen Kaplan.

Is attention restoration theory proven?

Not fully. Systematic reviews found modest improvements on some tasks, especially working memory and cognitive flexibility, and no clear effect on many others. Critics argue that core ideas, such as soft fascination, are vague and that the recovery prediction has rarely been tested directly.

What is soft fascination?

It is the gentle, effortless attention drawn by things like moving leaves, clouds or water. The theory says it engages you enough to stop the mind from wandering back to demands, without taxing effortful attention.

How long do you need to spend in nature?

Studies have used everything from a few minutes of pictures to 90 minute walks, so there is no settled dose. Real outdoor exposures tended to show stronger effects than virtual ones, which may partly reflect their length. A 15 minute park walk at lunch was linked with better afternoon concentration in one workplace study.

Do nature pictures or videos work?

Sometimes. Early studies found benefits from nature pictures, but more recent experiments with images on a screen found no difference or mixed results. Real nature looks like the better bet.

What is the difference between attention restoration theory and stress reduction theory?

Attention restoration theory focuses on recovering effortful attention. Stress reduction theory, developed by Roger Ulrich, focuses on quick emotional and physical responses to natural scenes. They are often studied together, and the evidence reviewed here is about attention and thinking.

Sources

1. Kaplan, S. (1995). The restorative benefits of nature: toward an integrative framework. Journal of Environmental Psychology, 15(3), 169 to 182. Original framework, summarised here through the studies and reviews below.
2. Berman, M. G., Jonides, J., and Kaplan, S. (2008). The cognitive benefits of interacting with nature. Psychological Science, 19(12), 1207 to 1212. PubMed record
3. Gamble, K. R., Howard, J. H., and Howard, D. V. (2014). Not just scenery: viewing nature pictures improves executive attention in older adults. Experimental Aging Research, 40(5), 513 to 530. PubMed record, full text
4. Ohly, H., White, M. P., Wheeler, B. W., Bethel, A., Ukoumunne, O. C., Nikolaou, V., and Garside, R. (2016). Attention Restoration Theory: a systematic review of the attention restoration potential of exposure to natural environments. Journal of Toxicology and Environmental Health, Part B, 19(7), 305 to 343. PubMed record
5. Stevenson, M. P., Schilhab, T., and Bentsen, P. (2018). Attention Restoration Theory II: a systematic review to clarify attention processes affected by exposure to natural environments. Journal of Toxicology and Environmental Health, Part B, 21(4), 227 to 268. PubMed record
6. Joye, Y., and Dewitte, S. (2018). Nature's broken path to restoration. A critical look at Attention Restoration Theory. Journal of Environmental Psychology, 59, 1 to 8. doi.org/10.1016/j.jenvp.2018.08.006
7. Collins, S. A., McDonnell, A. S., Scott, E. E., McNay, G. D., Shannon, M. F., Augustin, L., Hoffmann, J. N., Johnson, S., Strayer, D. L., and LoTemplio, S. B. (2025). Nature imagery's influence on ERN amplitude: an examination of Attention Restoration Theory using EEG. Frontiers in Human Neuroscience, 19, 1567689. PubMed record, full text
8. Piedimonte, A., Lanzo, G., Campaci, F., Volpino, V., and Carlino, E. (2025). Spreading new light on Attention Restoration Theory: an environmental Posner paradigm. Brain Sciences, 15(6), 578. PubMed record, full text
9. Schumann, F., Steinborn, M. B., Kürten, J., Cao, L., Händel, B. F., and Huestegge, L. (2022). Restoration of attention by rest in a multitasking world: theory, methodology, and empirical evidence. Frontiers in Psychology, 13, 867978. PubMed record, full text
10. Bratman, G. N., Hamilton, J. P., Hahn, K. S., Daily, G. C., and Gross, J. J. (2015). Nature experience reduces rumination and subgenual prefrontal cortex activation. Proceedings of the National Academy of Sciences, 112(28), 8567 to 8572. PubMed record, full text
11. Sianoja, M., Syrek, C. J., de Bloom, J., Korpela, K., and Kinnunen, U. (2018). Enhancing daily well-being at work through lunchtime park walks and relaxation exercises: recovery experiences as mediators. Journal of Occupational Health Psychology, 23(3), 428 to 442. PubMed record