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The Difference Between Introversion and Autism

Updated: Jun 6, 2020

Many would conceptualize autistic individuals as on the extreme of an introversion continuum. But is this comparison accurate and helpful in understanding the preferences of those on the spectrum?

The Myers & Briggs Foundation continues the work of the psychologists famous for research about personality features. The purpose of the questionnaire titled Myers-Briggs Type Indicator (MBTI) is to identify individual patterns of personality. One of the psychological "preferences" described by the questionnaire is introversion versus extroversion.

Within this psychological theory, introversion describes a preference for spending time within the inner world of thoughts and ideas. This individual prefers doing things alone or with a close person or two. The introvert may be seen as reflective and putting thought into decisions before acting on them. Of note, the conceptualization is that shyness and reclusiveness are not related to introversion.

Although both introverts and ASD individuals may each prefer alone time or small groups, there are many crucial differences.

1. Neurologic Social Abilities

Unlike the introvert, the individual on the spectrum presents with neurologic difficulty in the area of social communication. This struggle may include the back-and-forth of conversation, how to approach others to begin a social connection, the interpretation and expression of nonverbal communication, and the ability to understand social relationships. Although the introvert may gain energy from (show a preference for) alone time and introspection, the individual on the spectrum actually lacks the neurologic ability to efficiently and effectively connect with others.

2. Neurologic Behaviors

The diagnostic criteria for autism also include the presence of neurologic behaviors such as repetitive moving, speaking, or using objects. The characteristics may also include rigid thoughts/behaviors without appropriate levels of flexibility or adjustment to unexpected changes. An additional area of behavior pattern may consist of intense focus on particular topics (e.g., maps, anime) or attachment to objects (map collections, anime collectibles). And finally, the autistic may present with significant sensory processing difficulties (e.g., difficulty tolerating noise, lack of attention to pain, fascination with spinning objects).

3. "Extroversion" in Autism

As noted in the DSM-5 diagnostic manual, the characteristics of autism may be met when the social behaviors of the individual are inappropriately loud, dominating, controlling, inflexible, or aggressive (if due to a neurologic inability to read cues and adjust appropriately to context).

That is, the person on the spectrum may not look like an introvert at all. Sometimes the ASD individual presents as

a) inappropriately loud

b) having a poor sense of personal space

c) demonstrating social approach that is too strong or aggressive

d) speaking in a way that is rude or dismissive of others

e) or showing dominance of the conversation (e.g., controlling the topic to only include his/her particular interest).

As a whole condition, the autism spectrum includes multiple neurologic characteristics that extend beyond (or may present differently) than the psychological preference for introversion.

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Feb 11, 2023

I have mild Asperger's that is pervasive. I have always harboured the theory that the autistic spectrum is the extreme end of the Intorvert-Extravert spectum because in both cases it is how a mind works as opposed to 'acting introverted'. It is based on how I am both. How I prefer the challenge of team sports, due to the health and co-ordination benefits, to the cerebral challenge of chess, to spend my free time. That I go and join the TA and spend time around others, but that what my brain ends up doing is keeping me in my house alone daydreaming, particularly after long time spent with others in order to PROCESS my experiences in socialisation and learning to…

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