#### TL;DR
This paper explores the benefits of drawing on memory...
***picture-superiority effect***: images are remembered better than...
The authors point out that while cognitive psychology has already p...
The researchers specifically designed control tasks where participa...
In cognitive psychology semantically analyzing a word is a gold sta...
The authors formalize their theory here, proposing that drawing wor...
Transcription - the way most students take notes - is highly ineffe...
To prove their theory the researchers had to isolate the three comp...
The authors note that standard episodic memory declines as we get o...
Older adults had a significant memory deficit for words they simply...
The researchers found no correlation between drawing skill/experien...
https://doi.org/10.1177/0963721418755385
Current Directions in Psychological
Science
2018, Vol. 27(5) 302 –308
© The Author(s) 2018
Article reuse guidelines:
sagepub.com/journals-permissions
DOI: 10.1177/0963721418755385
www.psychologicalscience.org/CDPS
ASSOCIATION FOR
PSYCHOLOGICAL SCIENCE
One traditional method of learning information, espe-
cially encouraged in an educational setting, is for stu-
dents to take written notes. But how effective is this
approach? Memory researchers have documented the
effectiveness of several strategies to boost memory that
can be carried out during encoding. Rote rehearsal
(Rundus, 1971) is somewhat helpful, though semantic
elaboration is more effective (Craik & Lockhart, 1972),
as is generating to-be-remembered information from
one’s own mind rather than simply reading (Slamecka
& Graf, 1978). Related to this is production, wherein
words read aloud are favored during memory retrieval,
relative to words read silently during study (MacLeod,
Gopie, Hourihan, Neary, & Ozubko, 2010). Finally,
enactment (Engelkamp & Zimmer, 1997) is also helpful,
at least for memory of verb phrases, which are better
remembered if one performs an associated action dur-
ing learning, compared with just reading the verbal
information.
These strategies, though useful, may not be practical
in a typical learning environment such as a classroom,
because they may be disruptive (talking aloud in class
is usually discouraged) and require additional time to
complete, as in the case of generation. While enactment
is effective in enhancing memory, not all study materials
have an associated action, limiting this strategy’s gen-
eralizability. For these reasons, there is a need to find
practical unobtrusive techniques that people can apply
in their everyday lives to remember important informa-
tion or that students can apply in classrooms.
There are theoretical reasons to believe that drawing
is particularly able to boost memory. The finding that
images are better remembered than words, termed the
picture-superiority effect, has been well supported and
replicated in the literature, consistently across various
paradigms and demographic groups (Paivio, 1971). The
source of this effect is a hypothesized dual coding: Pic-
tures can be represented in terms of visual features and
also verbal labels (Paivio, Rogers, & Smythe, 1968). It
stands to reason that drawing to-be-learned information
755385CDP
XXX10.1177/0963721418755385Fernandes et al.Influence of Drawing on Memory
research-article2018
Corresponding Author:
Myra A. Fernandes, University of Waterloo, Department of
Psychology, 200 University Ave. W., Waterloo, Ontario, N2L 3G1,
Canada
E-mail: mafernan@uwaterloo.ca
The Surprisingly Powerful Influence
of Drawing on Memory
Myra A. Fernandes, Jeffrey D. Wammes, and Melissa E. Meade
Department of Psychology, University of Waterloo
Abstract
The colloquialism “a picture is worth a thousand words” has reverberated through the decades, yet there is very little
basic cognitive research assessing the merit of drawing as a mnemonic strategy. In our recent research, we explored
whether drawing to-be-learned information enhanced memory and found it to be a reliable, replicable means of
boosting performance. Specifically, we have shown this technique can be applied to enhance learning of individual
words and pictures as well as textbook definitions. In delineating the mechanism of action, we have shown that gains
are greater from drawing than other known mnemonic techniques, such as semantic elaboration, visualization, writing,
and even tracing to-be-remembered information. We propose that drawing improves memory by promoting the
integration of elaborative, pictorial, and motor codes, facilitating creation of a context-rich representation. Importantly,
the simplicity of this strategy means it can be used by people with cognitive impairments to enhance memory, with
preliminary findings suggesting measurable gains in performance in both normally aging individuals and patients with
dementia.
Keywords
drawing, encoding strategy, memory enhancement
Influence of Drawing on Memory 303
would also elicit dual coding and may in fact be even
more beneficial because it requires motoric as well as
elaborative processing or coding to create one’s unique,
personal depiction of target information.
Early evidence supporting this claim comes from
Paivio and Csapo’s (1973) work, in which free recall
was enhanced for words that were drawn versus written
at encoding. Later work (Peynirciog˘lu, 1989) revived
the study of drawing as a memory facilitator, showing
that creating drawings of scenes improved memory
relative to rating or verbally describing them. However,
because Peynirciog˘lu’s retrieval task involved reproduc-
ing a drawing of the original image, the observed ben-
efit might not have been attributable to drawing per se
but rather to transfer-appropriate processing (Morris,
Bransford, & Franks, 1977). There are also analogous
findings about the usefulness of drawing in the educa-
tional literature (see Van Meter & Garner, 2005, for a
review). Thus, while there is preliminary evidence that
drawing may improve memory, there is sparse evidence
for how or why.
Establishing the Drawing Effect
Across several studies, we systematically examined
whether drawing pictures depicting to-be-remembered
information boosted memory more than other encoding
strategies did. In our work, participants were typically
presented with at least 30 words in succession (e.g.,
“truck,” “pear”), each preceded by a prompt indicating
the encoding strategy to apply to the word and with
the time allotted per trial matched. The memory test
was typically incidental, except where otherwise indi-
cated. In our first demonstration of the effect (Wammes,
Meade, & Fernandes, 2016), we compared the influence
of drawing and writing prompts, presented intermixed
during encoding, allowing 40 s per trial. A prompt of
“draw” meant the participant was to draw a picture on
a pad of paper to illustrate the word on the screen and
to continue adding detail until the next prompt was
presented. A prompt of “write” meant they were to write
out the word multiple times. Alternate instructions were
explored in a subsequent experiment, in which writing
was to be embellished and drawing to be repeated. In
both experiments, words drawn relative to written at
encoding were better recalled. The effect also proved
generalizable, even when conducted in a lecture hall
with groups of 10 to 30 participants, establishing draw-
ing as an effective and reliable encoding strategy, far
superior to writing.
Ruling Out Alternate Mechanisms
Having documented a replicable drawing effect, we
aimed to contrast the magnitude of the memory boost
with that from other kinds of encoding strategies to
determine whether the benefit could be explained by
invoking these other modes of processing rather than
by drawing per se (Wammes etal., 2016). We first con-
sidered whether drawing improved memory simply as
a result of adding visual imagery, as dual-code theory
suggests is the case for pictures (Paivio, 1971). To test
this, we introduced alternate encoding trial types,
wherein participants were asked to either visualize a
study word or simply view pictures of the presented
words. We speculated that creating a mental image or
viewing a picture would boost memory relative to writ-
ing, though not as dramatically as our drawing manipu-
lation. When drawing, participants indeed must create
a mental image of the word but also perform the mech-
anistic process of moving their pencil to create an
image, which provides motor information, perhaps akin
to a muted enactment effect. As shown in Figure 1,
drawing led to recall performance that was superior
not only to writing but also to visual imagery and view-
ing pictures.
Next, we sought to determine whether the drawing
effect occurred because it invoked enhanced semantic
analysis, which is known to improve subsequent mem-
ory more than superficial encoding (Craik & Lockhart,
1972). To do so, we compared drawing with an encod-
ing task in which participants had to list semantic char-
acteristics of the target word when prompted. As shown
in Figure 1, recall of words from draw trials surpassed
recall of words from list trials, suggesting that the effect
of drawing cannot be dismissed as simply being due
to a deep (semantic) level of processing. In the follow-
ing two experiments (Wammes, Meade, & Fernandes,
2018), we switched to intentional encoding to facilitate
comparison with other established effects thought to
be driven by distinctiveness. In these experiments, we
demonstrated that drawing exerts its beneficial effects
on memory even when participants were allowed only
a fraction of the time (4 s) to draw and when the
manipulation was applied between subjects, a change
that often undermines several well-replicated effects
(McDaniel & Bugg, 2008).
Academic Materials
Graphic representation, especially in science texts, can
benefit later learning (Scaife & Rogers, 1996). Accord-
ingly, we aimed to determine whether the drawing
effect previously observed for individual words
(Wammes etal., 2016) would generalize to the learning
of lengthier definitions of academic terms consisting of
nouns, verbs, and adjectives, together describing a con-
cept. As described by Wammes, Meade, and Fernandes
(2017), participants were given 20 terms and prompted
to either draw a picture representing a given definition
304 Fernandes et al.
or write it verbatim, with trial types intermixed. For
example, participants had 60 s to either write the defi-
nition of “spore” or “isotope” or to draw an image rep-
resenting that concept.
As with individual words, drawing conferred a reli-
able memory advantage relative to verbatim writing,
even when we controlled (in separate follow-up experi-
ments) for participants’ preexisting familiarity with the
terms and even when we invented novel fictitious
terms, thus removing the influence of familiarity. As
with single words, we reasoned that drawing facilitates
retention, at least in part, because it requires elabora-
tion on the meaning of the term and translating the
definition to a new form (a picture). In line with this
interpretation, our study showed that paraphrasing our
given definitions (rewriting in one’s own words), which
like drawing and in contrast to verbatim writing,
requires self-generated elaboration, led to memory per-
formance that was comparable with that following
drawing. Together, these experiments suggest that using
transcription as a note-taking method to retain newly
learned information is not the most effective practice
and that creating drawings of information is a viable,
and much more efficacious, mnemonic strategy.
Mechanism of Action
We propose that drawing improves memory by encour-
aging a seamless integration of elaborative, motoric,
and pictorial components of a memory trace. That is,
to transfer a word into a drawn visual representation,
one must elaborate on its meaning and semantic fea-
tures, engage in the actual hand movements needed
for drawing (motor action), and visually inspect one’s
created picture (pictorial processing). We argue that the
mechanism driving the drawing effect is one that pro-
motes the seamless integration of these codes, or modes
of representation, into one cohesive memory trace, and
it is this that facilitates later retrieval of the studied
words.
For this integrated-trace hypothesis to be plausible,
however, participants must be able to retrieve specific
contextual information from the initial encoding experi-
ence to a greater extent when they had drawn, relative
to written, target items. That is, they must have a
detailed recollection, as opposed to a more general
feeling of familiarity (Yonelinas, 2002). To test whether
drawing indeed improves contextual memory (i.e., rec-
ollection), we recently conducted a study (Wammes
etal., 2018) in which we employed multiple variants
of recognition memory tasks: source memory decisions,
identifying whether a word was drawn or written during
encoding; the remember-know-new paradigm, indicat-
ing whether memory is accompanied by contextual
features from encoding (“remember”) or not (“know”);
and a response-deadline procedure, wherein responses
are forced into a time frame that is thought to precede
recollection (Sauvage, Beer, & Eichenbaum, 2010).
0
0.1
0.2
0.3
0.4
0.5
0.6
Draw
Write
Draw
Write
Draw
Write
Draw
Visualize
Write
Draw
View
Write
Draw
List
Write
Draw
Write
Draw
Write
Initial
Experiment
Alternate
Instructions
In Lecture
Hall
Imagery Picture
Superiority
Deep Levels of
Processing
Shorter
Encoding
Between
Subjects
Proportion of Recalled Words
Experiment and Trial Type
Fig. 1. Proportion of words recalled following encoding instructions to draw, write, visualize, view, or list related characteristics of to-be-
remembered target words in multiple experiments in younger adults, as reported by Wammes, Meade, and Fernandes (2016). In all cases,
words were best remembered when they were drawn at encoding. Error bars show standard errors of the mean.
Influence of Drawing on Memory 305
Though each variant has its own strengths and weak-
nesses, they converged on the same conclusion: Drawing
was associated with better recognition than writing, and
this was largely driven by detailed, context-rich recol-
lections. Specifically, drawing led to better identification
of the source of the memory and a higher number of
“remember” responses. When recognition responses
were speeded (to limit the contribution of recollective
processes), the benefit of drawing was substantially
smaller or absent. Taken together, these experiments
suggest that drawing improves memory by providing
vivid contextual information that can later be called on
to aid retrieval.
The Components of Drawing
Considering an integrated-components mechanism, we
reasoned in subsequent work (Wammes etal., 2017;
Wammes, Jonker, & Fernandes, 2018) that memory
performance would scale linearly with the number of
components invoked by a given encoding strategy (Fig.
2). We tested this idea across two experiments, using
intentional encoding, by designing trial types that sys-
tematically varied the presence or absence of each of
the three proposed components (elaborative, motor,
pictorial). In addition to the draw, write, view, and
imagine (visualize) trial types, two additional ones were
devised. In trace trials, participants encoded to-be-
remembered words by tracing over a faint line drawing
depicting the object, and in blind-drawing trials, par-
ticipants drew each word in an auditorily presented
study list but did not see the outcome. The trace trial
type thus required motor action and pictorial process-
ing, but not semantic elaboration. The blind-drawing
trial type required elaboration and motor action, but
not pictorial processing.
We introduced a 2-day delay between study and
recognition test and, remarkably, still found robust ben-
efits of drawing relative to the other encoding strate-
gies. Our baseline measure was memory following the
write trial type. Adding an elaborative (imagine trials)
or pictorial (view trials) component increased memory
by a small margin, and adding a second component
(trace and blind drawing) increased memory signifi-
cantly more. Over and above these two trial types,
drawing improved memory more still, ostensibly as a
result of adding the remaining third component. In
other words, memory scaled up as components were
added to the encoding task. A secondary finding was
that drawing sometimes led to better memory than the
three components combined, suggesting that there may
be some additional benefit of drawing resulting from
the seamless integration of these components.
Drawing Benefits to Memory in Aging
Populations
It is well known that episodic memory abilities decline
with increasing age (Light, 1991). The provision of rich
pictorial stimuli at encoding, however, has been shown
to enhance memory (Luo, Hendriks, & Craik, 2007),
and picture-superiority effects are typically larger in
older adults (Ally etal., 2008). In another study (Meade,
Wammes, & Fernandes, in press), we reasoned that
incorporating visuo-perceptual information into the
memory trace, by drawing pictures at study, increases
its reliance on visual sensory regions. These regions
are relatively intact in normal aging (Raz etal., 2005).
Therefore, older adults may stand to benefit differen-
tially from this encoding strategy. In Experiment 1 of
that research, we computed the proportion of each
person’s recall for words drawn rather than written at
encoding. We indeed found a significant interaction
between age and encoding trial type; specifically, older
adults reported a larger proportion of words that were
drawn at encoding than did younger adults. Within that
study we also showed, using a remember-know-new
Fig. 2. The integrated-components model of the drawing effect. In
this model, the beneficial effects of drawing, over and above basic
verbal memory (“v”), are driven by the integrated contributions of
elaborative, motoric, and pictorial information. The draw trial type
lies at the intersection, as it engages all three components. The trace
trial type lies at the intersection of the motoric and pictorial compo-
nents, as it does not require elaborative thought. A purely motoric
task (“x”) as well as a task that involves only elaborative and pictorial
information (“y”) without undermining the elaborative process is dif-
ficult, if not impossible, to design. The model predicts additive effects
on memory from inclusion of each type of processing at encoding,
with drawing seamlessly integrating the components, resulting in a
boost to performance over and above the additive effects.
306 Fernandes et al.
recognition test, that the age groups did not differ in
hit rate or endorsements of recollection-based responses
to drawn words. In contrast, compared with young
adults, seniors had a significant deficit in memory (hit
rate and recollection) for words that were written at
encoding. This suggests that drawing has the power to
reduce age differences in recollection (Fig. 3).
We have since gone on to explore (Meade & Fernandes,
2018) whether drawing could be profitably used in a
population of senior citizens with a diagnosis of dementia.
We asked 13 patients in a long-term care facility to either
draw or write 60 words (intermixed) that were read aloud
by an experimenter. As can be seen from the samples of
their drawings in Figure 4, the quality was relatively poor
and, in some cases, consisted of little more than some
scribbles on a page. Remarkably, however, memory per-
formance showed a massive benefit for words that had
been drawn rather than written at encoding. Although
overall recall was predictably low, the words that they did
manage to remember were almost exclusively those
drawn at encoding. Recognition memory showed an
advantage in the same direction as recall. Such patterns
highlight the powerful influence of drawing on memory
in the most compromised of patient populations.
In most of our experiments, we administered the
Vividness of Visual Imagery Questionnaire (VVIQ;
Marks, 1973), which quantifies drawing experience and
assesses individual differences in the ability to create
mental images of items and scenes. Interestingly, nei-
ther the VVIQ nor drawing experience was significantly
correlated with memory performance. Indeed, there
was a variety of skill level displayed in people’s drawn
images, yet the benefit was comparable in magnitude
across individual differences in artistic tendencies and
ability. This suggests that the benefit one can achieve
from drawing during encoding applies regardless of
one’s artistic talent.
Overall, our results show that drawing should be con-
sidered among the ranks of generation (Slamecka & Graf,
1978), enactment (Engelkamp & Zimmer, 1997), and
production (MacLeod etal., 2010) effects. The observed
gains in memory performance apply consistently across
tasks, settings, and populations and occur within as well
as between subjects. Strikingly, drawing also requires no
more than 4 s to provide a benefit. Taken together, the
evidence provided here demonstrates that drawing is a
robust encoding strategy that can, and does, improve
memory performance dramatically.
0.0
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0.2
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0.4
0.5
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0.8
0.9
1.0
Younger Older
Proportion of Recalled Words
a
Written
Drawn
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Written Drawn Written Drawn
Average Number of Recognized Words
b
Remember
Know
Younger Older
Fig. 3. Results from Meade, Wammes, and Fernandes (in press). The proportion of words recalled that were written and drawn at encoding
(a) is shown for both younger and older adults. The average number of words recognized on a remember-know-new recognition test (b) is
shown for words that were written or drawn at encoding, separately for younger and older adults. Hit rates are shown both for recollection-
based recognition decisions and for familiarity-based recognition decisions. In both graphs, error bars show standard errors of the mean.
Influence of Drawing on Memory 307
Fig. 4. Samples of to-be-remembered targets that were either drawn or written at encoding. Starting from the top, the first row shows samples
of young adults’ drawings of words, as well as their writings in response to an instruction to add detail to their productions (Wammes,
Meade, & Fernandes, 2016). The second row shows samples from separate trials on which participants were asked to repeatedly draw or
write, given 40 s of allotted encoding time per word (Wammes etal., 2016). Samples in the third row are from trials in which young adults
either drew or wrote definitions for concepts (Wammes, Meade, & Fernandes, 2017). The fourth row shows words drawn or repeatedly
written by normally aging adults (Meade, Wammes, & Fernandes, in press). The fifth row shows attempted drawings from patients with
dementia, as well as productions in the repeated-writing encoding trials (Meade & Fernandes, 2018). In all cases, memory was significantly
enhanced following an instruction to draw.
308 Fernandes et al.
Recommended Reading
Luo, L., Hendriks, T., & Craik, F. I. (2007). (See References).
Provides an overview of age-related declines in memory
and illustrates that presenting pictures at encoding boosts
memory performance.
MacLeod, C. M., Gopie, N., Hourihan, K. L., Neary, K. R., &
Ozubko, J. D. (2010). (See References). A clearly written
review of established encoding techniques and an intro-
duction to the production effect, another effective means
of enhancing memory.
Van Meter, P., & Garner, J. (2005). (See References). A com-
prehensive review of applied and empirical research
suggesting that drawing can support learning goals in
classroom settings.
Wammes, J. D., Meade, M. E., & Fernandes, M. A. (2016). (See
References). A representative study that illustrates original
research documenting the drawing effect.
Action Editor
Randall W. Engle served as action editor for this article.
Declaration of Conflicting Interests
The author(s) declared that there were no conflicts of interest with
respect to the authorship or the publication of this article.
Funding
This work was funded by graduate-level scholarships from
the Natural Sciences and Engineering Research Council of
Canada (NSERC) to J. D. Wammes and M. E. Meade and by
an NSERC Discovery grant to M. A. Fernandes.
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In cognitive psychology semantically analyzing a word is a gold standard for memory retention. The researchers show that recall from drawing surpassed recall from tasks where participants had to list semantic characteristics of the target word.
Transcription - the way most students take notes - is highly ineffective when compared to drawing. Drawing forces the student to elaborate on the meaning and translate it into a new visual form.
***picture-superiority effect***: images are remembered better than words. Pictures are stored in the brain as both visual features and verbal labels - dual coding. The researchers hypothesize that drawing supercharges this by adding a motor (physical movement) component to the mix.
The researchers specifically designed control tasks where participants just viewed pictures or visualized words in their minds. Drawing still significantly outperformed these methods. ***The physical act of creating the image is a crucial part of the memory boost.***
The authors note that standard episodic memory declines as we get older. However, visual sensory regions of the brain stay relatively intact during normal aging. Drawing is so effective for older adults because it anchors the memory in these preserved brain regions.
The authors formalize their theory here, proposing that drawing works by seamlessly integrating three distinct codes into one memory trace:
- **elaborative** (thinking about the meaning)
- **motoric** (the physical hand movement)
- and **pictorial** (inspecting the final picture)
see figure 2.
The researchers found no correlation between drawing skill/experience and the memory benefit. Even dementia patients whose drawings were just scribbles saw a memory benefit.
To prove their theory the researchers had to isolate the three components.
They used:
- "blind drawing" (drawing without seeing the result, removing the pictorial component)
- and "tracing" (tracing a shape without thinking about its meaning, removing the elaborative component).
They found that memory scaled up as more components were added, with drawing providing the ultimate benefit.
Older adults had a significant memory deficit for words they simply wrote down compared to younger adults. Drawing reduced these age-related differences in memory recollection.
#### TL;DR
This paper explores the benefits of drawing on memory. It challenges the traditional reliance on written note-taking and rehearsal in typical educational settings.
Through a series of memory experiments, the authors show that:
- drawing integrates elaborative, motoric, and pictorial components into a single, context-rich memory trace
- it outperforms other known memory techniques, including deep semantic processing, visualizing, and writing
- it enhances the retention of everything from single words to academic textbook definitions.
These memory benefits persist even when participants are given just 4 seconds to draw and the strategy works regardless of a person's artistic talent.
These concepts are important for understanding how to optimize learning in both classrooms and everyday life.
The authors point out that while cognitive psychology has already proven that strategies like talking aloud (production) or acting things out (enactment) improve memory, these are highly impractical and disruptive in a typical classroom. ***This perfectly frames the research problem: finding an unobtrusive memory technique that students can quietly use at their desks.***