Savant Abilities in Autism Spectrum Disorder - A Systematic Literature Review and Meta-Analysis

Aug 20, 2026

Uploaded by Dozel

Autism Spectrum Disorder (ASD) is a lifelong neurodevelopmental condition involving social-communication difficulties and restricted, repetitive behaviors, yet a subset of individuals show exceptional “savant” abilities. This systematic literature review and meta-analysis compared cognitive, social, and behavioral functioning between savant and non-savant groups diagnosed with ASD. Thirteen eligible studies were synthesized using R-based statistical analyses. Results indicate significantly higher cognitive functioning in savants, while social differences were negligible and behavioral differences were not statistically significant.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages14

Reading Time35 min

AccessFree to download

Introduction

Savant abilities in ASD

Proposed neurodevelopmental mechanisms

Methods

Study design and reporting framework

Data identification and eligibility

Results

Cognitive functioning comparison

Social and behavioral findings

Conclusions

Savant Abilities in Autism Spectrum Disorder: A Systematic Literature Review and Meta-Analysis Trisha Chereen Chang1, Putu Nandika Tungga Yudanti Mahardani2, Dyah Kanya Wati3* 1Universitas Gadjah Mada, Yogyakarta, Indonesia 2Universitas Udayana, Denpasar, Indonesia 3Departemen Ilmu Kesehatan Anak RS Prof Ngoerah, Denpasar, Indonesia ARTICLE INFO Article history: Received: January 6, 2026 Revised: February 23, 2026 Accepted: May 13, 2026 Available online: May 28, 2026 Keywords: Autism spectrum disorder, autistic savant, cognitive, high functioning autism, savant syndrome This is an open-access article under the CC BY-SA license. Copyright © 2026 by Trisha Chereen Chang, Putu Nandika Tungga Yudanti Mahardani, DyahKanya Wati. Published by Fakultas Kedokteran, Universitas Kristen Krida Wacana ABSTRACT Introduction: Autism Spectrum Disorder (ASD) is aneurodevelopmental condition marked by social-communication difficulties and restricted, repetitive behaviors. Despite these challenges, some individuals with ASD demonstrate exceptional abilities in one or more area, which is known as Savant. Until now, factors linked to savant abilities are still poorly understood. This research compared cognitive, social, and behavioral functioning between savant and non-savant individuals diagnosed with ASD. Methods: A comprehensive search was conducted to identify studies comparing cognitive, social, or behavioral characteristics between the two groups. Thirteen studies met the inclusion criteria and were included in the quantitative synthesis. Statistical analyses were performed using R software. Results: Savant individuals with ASD showed significantly higher cognitive functioning than non-savant peers (SMD = 0.73, 95% CI: 0.59–0.87). Social functioning differences were negligible and non-significant (SMD =−0.03, 95% CI: −0.22–0.16). Behavioral traits, including repetitive behaviors, were slightly more pronounced among savants but were not statistically significant (SMD = 0.17, 95% CI: −0.07–0.40). Conclusions: Savants with ASD exhibit higher cognitive functioning but do not show significant differences in social or behavioral functioning compared to their non-savant peers, highlighting that enhanced abilities are not necessarily accompanied by corresponding deficits. 1. INTRODUCTION Autism Spectrum Disorder (ASD) is a lifelong neurodevelopmental disorder characterized by deficits in social communication and restricted, repetitive patterns of behavior, with a global prevalence estimated at approximately 1 in 100 children.1 Although research on autism spectrum disorders (ASD) has predominantly focused on the social and communicative impairments characteristic of the condition, the presence of unusual or commonly known as savant abilities within this population has also received increasing scholarly attention. Individuals with savant abilities exhibit exceptional skills in areas such as calendar calculation, music, art, or memory, which are collectively described as savant syndrome.2 Savant abilities refer to the presence of extraordinary skills in individuals with developmental conditions, most frequently autism. These skills can be either congenital or acquired, and are often accompanied by cognitive or social limitations.3 The prevalence of savant abilities among autistic individuals has been estimated at approximately 10%, which is significantly higher than in the general population.4 Considerable research has been devoted to examining the relationship between savant syndrome and autism, with particular interest in understanding how these two conditions coexist and persist within affected individuals.5 Until now, research regarding savant abilities in ASD are still limited. However, there are several hypotheses that have been proposed to explain the neurodevelopmental mechanisms behind savant skills in ASD. One prominent theory is that savant abilities arise from enhanced perceptual functioning and local p

FAQs

What is the main purpose of this systematic review and meta-analysis?

To synthesize evidence comparing cognitive, social, and behavioral traits in autistic individuals with and without savant syndrome.

How do cognitive functioning levels differ between savant and non-savant individuals with ASD?

Savant individuals show significantly higher cognitive functioning than non-savant peers (SMD = 0.73, 95% CI: 0.59–0.87).

Are social or behavioral functioning differences statistically significant between the two groups?

Social functioning differences are negligible and not significant, and behavioral traits show slight elevation among savants but also do not reach statistical significance.

Aug 20, 2026

Uploaded by Dozel