Memory Flash Method Could Help Autistics Improve Visual Perception

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Author: Tel-Aviv University
Published: 2022/08/01 - Updated: 2023/01/04 - Peer-Reviewed: Yes
Contents: Summary - Definition - Introduction - Main - Related

Synopsis: A new learning method based on memory flashes lasting just a few seconds could help people with autism improve their visual perception capabilities. Findings of the study: using the new learning method, which is based on "memory flashes" lasting just a few seconds, it is possible to significantly improve the achievements of people with autism who also manage to generalize learning to other situations. According to the researchers, improving the perceptual capabilities of people with autism is a difficult challenge, requiring long and tedious training along with the difficulty that characterizes autism to generalize learning to other areas.


A new study from Tel Aviv University proposes a new learning method for people with autism that may accelerate the learning process and even significantly improve capabilities in terms of visual perception. According to the researchers, improving the perceptual capacity of people with autism is often a challenge, which usually requires long and tedious training alongside additional learning challenges that characterizes autism, such as the ability to generalize learning to new situations.

Main Digest

The new method proposed by the researchers is based on utilizing "memory flashes," which consists of exposing a person for just a few seconds to a task that has already been learned. In comparison to standard teaching practice which reinforce length and repetition of new skills, the new method demonstrated success in improving both the visual perception capabilities and the generalization of learning - that is, excelling in a similar task in conditions they have not learned before - for people with autism.

The study was conducted by doctoral student Shira Klorfeld-Auslender and Prof. Nitzan Censor from the School of Psychological Sciences and the Sagol School of Neuroscience at Tel Aviv University, in collaboration with Prof. Ilan Dinstein and his team from Ben-Gurion University. The study was published in the journal Current Biology.

Prof. Censor explains:

"In my laboratory we focus on the study of learning in humans, and already today we know that a large part of learning does not happen in formal training settings but afterwards, in processes of assimilation and reinforcement of memory that occur 'offline'; for example, when our brain is asleep. However, standard teaching methods still advocate an approach where longer practice equals better learning: if you want to play the piano, you should practice playing the piano for many hours every day until the playing becomes second nature to you. We have identified an alternative learning mechanism that uses 'memory flashes' - a brief exposure to a task that has already been learned - in order to assimilate and generalize skill developed."

In the study, the research team examined about 30 high-functioning adults with autism who were asked to learn a visual task (for example, identifying the direction of lines that appear for a few milliseconds on the screen). However, instead of repeating the task for a long time each day, the examinees in the main experimental group learned the task in depth on the first day, and in the following days were exposed to the visual stimulus for only a few seconds. At the end of the process, although the study participants studied the task for a minimal amount of time, their performance improved significantly, by about 20--25%, similar to multiple-repetition learning and similar to the achievements of subjects without autism.

Moreover, even when presented with a task under new, unlearned conditions (for example, when the stimulus learned is in a new location), the examinees who learned the memory flash method performed better than those in the control group; that is, they knew how to generalize the skills learned in the first task. The participants' success in generalizing the learning to other situations is considered quite significant, as these are skills that people with autism have great difficulty with.

"We have already proven in previous studies that processes of learning assimilation can be improved through flashes of memory," says Prof. Censor.

"We have shown that it does not take prolonged practice time to assimilate the task - it is enough to flash it for a few seconds to stimulate the relevant brain network, and the brain will then assimilate the material on its own. In this case we tested people with autism. People with autism often have difficulty learning and generalizing repetitive learning, that is, using tools that have also been learned in new tasks. Through short flashes of visual stimulus in the task learned, we were able to produce learning that is identical to repetitive learning in terms of its effectiveness; meaning, we significantly shortened the learning time. The added value is the ability to generalize: the examinees performed a task under new conditions, as if they had fully learned it."

According to Prof. Censor, the new method may have significant potential implications in a wide range of areas.

"The new study could pave the way for more meaningful approaches to learning for people with autism, in a wide variety of tasks. In addition, the method may help in rehabilitation after neurological injuries, that is, in training the brain to regenerate the damaged connections, through shorter training."


This peer reviewed publication was selected for publishing by the editors of Disabled World due to its significant relevance to the disability community. Originally authored by Tel-Aviv University, and published on 2022/08/01 (Edit Update: 2023/01/04), the content may have been edited for style, clarity, or brevity. For further details or clarifications, Tel-Aviv University can be contacted at NOTE: Disabled World does not provide any warranties or endorsements related to this article.

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Cite This Page (APA): Tel-Aviv University. (2022, August 1 - Last revised: 2023, January 4). Memory Flash Method Could Help Autistics Improve Visual Perception. Disabled World. Retrieved July 22, 2024 from

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