H HiPerformance CultureThe Evidence
Arena 4 min read
Trend Breakdown
The Evidence

Does visualising success actually improve performance?

Mental rehearsal activates the same motor circuits as physical movement, and 30 years of controlled research confirms a real effect on sport performance. But the headline effect size has been revised sharply downward, and imagery alone consistently underperforms combined physical-plus-mental practice.

Published 3 Jun 2026 · 5 sources
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Trend Science
Breakdown
Evidence-graded series
02What's being claimed

Visualise the perfect performance vividly enough, and you can train your nervous system just like physical practice. Athletes who mentally rehearse their movements recruit the same brain circuits as those who physically drill them, giving anyone a cognitive shortcut to faster skill acquisition and stronger performance.

The neurological premise is genuine. Imaging studies confirm that imagining a movement activates premotor cortex, supplementary motor area, and basal ganglia, the same circuits engaged during physical execution 1 2. If imagining a movement partially runs the same neural programme as performing it, repeated mental rehearsal should strengthen those circuits. That mechanistic logic is correct.

Three forces amplified this into a mainstream training strategy. Driskell, Copper and Moran's 1994 meta-analysis found a positive, significant effect across 35 studies 1. Ranganathan et al.'s 2004 RCT showed a 35% strength gain in a finger muscle through mental training alone 2. Olympic coaching programmes had embedded imagery training since the early 1980s, lending institutional credibility. Self-help publishing absorbed these findings without their moderating conditions; short-form video then stripped the remaining caveats into a simple 'train with your mind' message.

Origin
Sport psychology labs
Richardson (1967) and Suinn (1972) established mental rehearsal as a measurable performance tool.
→
Vector
Olympic coaching programmes
US and Soviet Olympic programmes embedded systematic imagery training from the early 1980s.
→
Spike
Self-help and social media
Ranganathan's '35% strength gain' finding entered self-help books, then short-form video stripped the caveats.
"Visualisation is not a supplement to physical training; for serious athletes, it IS training. Elite performers have understood this for generations, and the neuroscience has simply caught up."
— representative of the claim as it circulates in sport and self-help media
03The evidence verdict
H
HiPerformance Culture The Evidence · Trend Breakdown
Verdict

Mental imagery gives real but modest performance gains; it works best alongside physical training, not instead of it.

Hype Evidence
This trend lands here
Low Moderate High
Moderate confidence 5 sources cited · 1 meta-analysis, 2 systematic reviews, 1 RCT, 1 meta-analytic replication · 1994–2021
✓

What holds up

✓
Imagining movement activates the same motor circuits as physical execution, a genuine neurological basis for performance gains 1 2.
Gold
✓
Mental imagery combined with physical practice yields meaningful sport-skill improvements (Hedges' g = 0.579 across 36 studies, 1,449 participants) 5.
Gold
✓
Mental practice during physical immobilisation can slow strength loss by roughly half, supporting rehabilitation applications 2 3.
Silver
✕

What doesn't

✕
After publication-bias correction, the true effect is small (r = 0.131), substantially lower than the d = 0.48 reported in the seminal 1994 meta-analysis 4.
Gold
✕
Imagery alone (g = 0.298) is approximately half as effective as imagery combined with physical practice and cannot substitute for physical training in skill acquisition 5.
Gold
✕
Visualising incorrect technique consolidates faulty movement patterns as reliably as it consolidates correct ones; undirected imagery can entrench errors 3.
Silver
✕
No standardised imagery protocol exists; wide variation in session design, duration, and guidance method limits reproducibility and practical implementation 3.
Bronze
04The studies
Scored on Design quality Measurement precision Causal clarity Replication value
Gold
d = 0.48 Effect of mental practice on performance (original estimate)
Meta-analysis · 35 studies
Driskell, Copper & Moran Journal of Applied Psychology · 1994
Mental practice has a positive and significant effect on performance (d = 0.48), moderated by task type, retention interval, and practice duration. Cognitive tasks benefit more than purely physical ones, and effects decay when substantial time passes between practice and testing {{cite:10.1037/0021-9010.79.4.481}}.
doi:10.1037/0021-9010.79.4.481 Verify ↗
Contested — Publication-bias-corrected replications (Moran et al., 2020) revise this estimate substantially downward to r = 0.131.
Silver
+35% Strength gain in little-finger abductor from mental training alone
RCT · n=30
Ranganathan et al. Neuropsychologia · 2004
Mental imagery training alone produced a 35% increase in little-finger abductor strength and a 13.5% increase in elbow-flexor strength, with EEG recordings confirming enlarged cortical signals, demonstrating that central nervous system adaptations drive the gains, not muscle hypertrophy {{cite:10.1016/j.neuropsychologia.2003.11.018}}.
doi:10.1016/j.neuropsychologia.2003.11.018 Verify ↗
Contested — Gains were specific to the trained muscle, required approximately 15 min/day over 12 weeks, and are not permanent; widely overstated in popular accounts.
Silver Systematic review · 133 studies, 141 interventions
Schuster et al. BMC Medicine · 2011
Optimal imagery is individually supervised, added after (not instead of) physical practice, averaging 17 minutes three times weekly over 34 days. No serious adverse effects were documented, but high variability in protocols across disciplines limits generalisability and reproducibility {{cite:10.1186/1741-7015-9-75}}.
doi:10.1186/1741-7015-9-75 Verify ↗
Gold
r = 0.131 Corrected effect size after publication-bias adjustment (small)
Meta-analytic replication · 37 studies (1995–2018)
Moran, Campbell & MacIntyre Psychology of Sport and Exercise · 2020
A 24-year replication of Driskell et al. found, after publication-bias correction, only a small positive effect of mental practice on performance (r = 0.131), substantially lower than the original d = 0.48, with moderation by practice duration, task type, and imagery type {{cite:10.1016/j.psychsport.2020.101672}}.
doi:10.1016/j.psychsport.2020.101672 Verify ↗
Gold
g = 0.476 Overall effect of imagery on sport-specific skill (moderate)
Systematic review + meta-analysis · 36 studies, n=1,449
Lindsay et al. Physical Education and Sport Pedagogy · 2021
Mental imagery produces a significant moderate effect on sport-specific skill performance (g = 0.476), but imagery combined with physical practice (g = 0.579) clearly outperforms imagery alone (g = 0.298), with effects moderated by skill complexity, practice duration, and athlete skill level {{cite:10.1080/17408989.2021.1991297}}.
doi:10.1080/17408989.2021.1991297 Verify ↗
05So what do you actually do

If you want to add it to your training, the evidence supports a specific, bounded version.

Add structured imagery sessions after physical practice, not in place of them.

01Schedule 10-17 minutes of imagery after physical practice sessions, not as a replacement for them.
02Use internal, kinaesthetic imagery (imagining the movement from inside your body) rather than an external observer perspective for motor-skill tasks.
03Rehearse only correct technique; imagery of faulty mechanics consolidates errors as reliably as it consolidates good ones.
04If injury or immobilisation restricts physical training, standalone imagery has the strongest evidence base for maintaining strength and skill.
06The verdict triad
Claim

Imagery trains real motor circuits

Visualising a movement activates premotor cortex, supplementary motor area, and basal ganglia: the circuits that execute it. This overlap is not metaphor; it is measurable in EEG and fMRI data. Repeated mental rehearsal genuinely strengthens those pathways, which is why the effect on performance is real, even if modest.

Consequence

Skipping it costs a real gain

Athletes who never use deliberate imagery leave a genuine marginal gain on the table, confirmed across 36 studies and 1,449 participants. Those who substitute imagery for physical practice make the worse mistake: they give up a large training effect for a small one, at the cost of real skill development.

Lever

Add it after, not instead

Structure imagery sessions at the end of physical practice blocks: 10-17 minutes, three times weekly, using kinaesthetic internal imagery of correct technique. This is what Schuster et al.'s review of 133 studies identifies as the optimal configuration. Standalone imagery before physical mastery is established adds little and risks consolidating imprecision.

08What to do next
What to do next

How well does your mental training routine map to the evidence?

HPC's Arena Mental Skills Assessment benchmarks your imagery practice against the parameters that actually predict performance gains: timing, duration, imagery type, and guidance. Most recreational athletes who report 'doing visualisation' are working outside the evidence-supported range on at least two of these dimensions.

Take the assessment
09Share & references
Update log
3 Jun 2026First published. 5 sources reviewed.
Related
Owning guide
The Arena Mental Skills Guide
The complete evidence framework for performance psychology in competitive sport.
Read the guide →
Assessment
HPC Arena Mental Skills Assessment
Benchmark your imagery practice against the timing, duration, and technique parameters that predict gains.
Start assessment →
Trend Breakdown
Does self-talk actually improve performance?
The evidence on instructional versus motivational self-talk in sport and exercise.
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Bibliography · every source, resolvable
01Driskell, J.E., Copper, C. & Moran, A. (1994). Does mental practice enhance performance?. Journal of Applied Psychology, 79(4), 481-492. doi:10.1037/0021-9010.79.4.481 Verify ↗Gold
02Ranganathan, V.K., Siemionow, V., Liu, J.Z., Sahgal, V. & Yue, G.H. (2004). From mental power to muscle power—gaining strength by using the mind. Neuropsychologia, 42(7), 944-956. doi:10.1016/j.neuropsychologia.2003.11.018 Verify ↗Silver
03Schuster, C., Hilfiker, R., Amft, O., Scheidhauer, A., Andrews, B., Butler, J., Kischka, U. & Ettlin, T. (2011). Best practice for motor imagery: a systematic literature review on motor imagery training elements in five different disciplines. BMC Medicine, 9(1). doi:10.1186/1741-7015-9-75 Verify ↗Silver
04Toth, A.J., McNeill, E., Hayes, K., Moran, A.P. & Campbell, M. (2020). Does mental practice still enhance performance? A 24 Year follow-up and meta-analytic replication and extension. Psychology of Sport and Exercise, 48, 101672. doi:10.1016/j.psychsport.2020.101672 Verify ↗Gold
05Lindsay, R.S., Larkin, P., Kittel, A. & Spittle, M. (2021). Mental imagery training programs for developing sport-specific motor skills: a systematic review and meta-analysis. Physical Education and Sport Pedagogy, 28(4), 444-465. doi:10.1080/17408989.2021.1991297 Verify ↗Gold
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