Autistic Traits in the Triangle of Autism:

Autistic Traits in the Triangle of Autism:

Mal-Speech

Mal-Social

Mal-Behavior

Here is an alphabetically organized and explained list of possible autistic traits, based on DSM-5 criteria and clinical descriptions134578:

Autistic Traits (A–Z)

A

• Atypical eye contact: Reduced or unusual use of eye contact during interactions.
• Avoidance of social interactions: Limited interest in engaging with peers or adults.

B

• Body language differences: Unusual or absent use of gestures, posture, or facial expressions.

C

• Communication difficulties: Challenges in both verbal and nonverbal communication, such as trouble starting or maintaining conversations, or not understanding tone of voice or gestures137.
• Clumsiness or odd motor movements: Unusual gait, posture, or movement patterns, including toe-walking or awkward coordination4.

D

• Difficulty with change: Extreme distress or resistance to changes in routine, schedule, or environment (insistence on sameness)134.
• Difficulty understanding relationships: Problems making or keeping friends, or adjusting behavior to different social contexts137.

E

• Echolalia: Repeating words, phrases, or sounds heard from others, sometimes out of context34.
• Emotional reciprocity deficits: Difficulty sharing emotions or responding to others’ feelings137.

F

• Fixated interests: Highly focused, intense interests in specific topics or objects, often unusual in nature1345.
• Failure to respond to name: Not responding when called, especially in early childhood45.

G

• Gestural difficulties: Limited or unusual use of gestures like pointing, waving, or clapping135.

H

• Hyper- or hyporeactivity to sensory input: Over- or under-sensitivity to lights, sounds, textures, pain, or temperature1345.
• Hand-flapping or repetitive movements: Repetitive body movements such as rocking, spinning, or flapping hands345.

I

• Imaginative play deficits: Limited or absent pretend play, such as not pretending to feed a doll5.
• Inflexible adherence to routines: Rigid need for routines or rituals, becoming upset at small changes1345.

J

• (No widely recognized core autistic traits beginning with J in clinical criteria.)

K

• (No widely recognized core autistic traits beginning with K in clinical criteria.)

L

• Lack of interest in peers: Limited desire to engage with other children or adults1357.
• Literal interpretation: Difficulty understanding figurative language, jokes, or sarcasm.

M

• Monotone or unusual speech patterns: Atypical tone, pitch, or rhythm of speech4.
• Minimal facial expressions: Lack of expressive facial gestures during social interaction137.

N

• Nonverbal communication deficits: Poorly integrated verbal and nonverbal cues, or not using gestures or facial expressions effectively137.

O

• Object preoccupation: Strong attachment to or fascination with specific objects, often using them in unusual ways134.

P

• Poor social-emotional reciprocity: Difficulty initiating or responding to social interactions, or sharing interests and emotions137.
• Problems with transitions: Difficulty moving from one activity to another, leading to distress145.

Q

• (No widely recognized core autistic traits beginning with Q in clinical criteria.)

R

• Repetitive behaviors: Engaging in repeated actions, speech, or play, such as lining up toys or repeating routines13458.

S

• Sensory sensitivities: Strong reactions to sensory stimuli like sounds, lights, or textures1345.
• Social communication deficits: Broad difficulties in understanding and using social language and cues137.

T

• Trouble understanding others’ perspectives: Difficulty recognizing or interpreting others’ thoughts, feelings, or intentions137.

U

• Unusual interests: Preoccupation with topics or activities that are atypical for age or cultural context1345.

V

• Verbal communication delays: Delayed development of spoken language, or lack of speech in some cases137.

W

• Withdrawal: Social withdrawal or limited engagement with others.

This list reflects the broad spectrum of autistic traits as described in major diagnostic manuals and clinical resources, with each trait explained for clarity134578.

1. https://www.autismspeaks.org/autism-diagnostic-criteria-dsm-5
2. https://www.research.chop.edu/car-autism-roadmap/diagnostic-criteria-for-autism-spectrum-disorder-in-the-dsm-5
3. https://www.cdc.gov/autism/hcp/diagnosis/index.html
4. https://www.mayoclinic.org/diseases-conditions/autism-spectrum-disorder/symptoms-causes/syc-20352928
5. https://raisingchildren.net.au/autism/learning-about-autism/assessment-diagnosis/dsm-5-autism-diagnosis
6. https://www.autism.org.uk/advice-and-guidance/topics/diagnosis/assessment-and-diagnosis/criteria-and-tools-used-in-an-autism-assessment
7. https://www.adult-autism.health.harvard.edu/resources/the-formal-diagnostic-criteria-for-autism/
8. https://www.ncbi.nlm.nih.gov/books/NBK573609/