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. 2022 Oct 3;28(1):341–353. doi: 10.1038/s41380-022-01783-5

Fig. 4. Symptom overlap between ASD and SSD.

Fig. 4

While the developmental timecourse of these diagnostic groups differs, specific symptoms and traits (indicated by the overlapping circles) are common to both. For some symptoms (e.g., blunted affect), it is difficult to determine whether they reflect a deficit in nonverbal communication vs. negative symptoms. Others (e.g., delusions) are unique to SSD vs. ASD.