Table 2 Associations between functional connectivity and dimensional traits in the current cohort

From: Functional EEG connectivity in infants associates with later restricted and repetitive behaviours in autism; a replication study

 

Dimensional trait scale

Global connectivity across all channels

Global connectivity across selected channels

HR-ASD infants N = 12

ADI-R Social and

r = 0.20,

r = 0.39,

communicationa

p = 0.526

p = 0.211

ADI-R

r = 0.52,

r = 0.60b,c

RRBd

p = 0.086

p = 0.037

ADOS-2

r = –0.09,

r = –0.01,

Social affecte

p = 0.776

p = 0.983

ADOS-2

r = –0.06,

r = 0.08,

RRBf

p = 0.847

p = 0.797

All HR infants N = 79

ADI-R Social and

r = 0.12g,

r = 0.03,

communication

p = 0.300

p = 0.788

ADI-R

r = 0.06g,

r = –0.02,

RRB

p = 0.584

p = 0.890

ADOS-2

r = –0.07,

r = –0.05,

Social affect

p = 0.523

p = 0.664

ADOS-2

r = 0.13,

r = 0.13,

RRB

p = 0.254

p = 0.259

  1. Spearman’s rho values are represented by r. P-values are 2-tailed. The correlations are given for functional connectivity calculated across all channels and across the selected channels. Correlations reaching significance in the current, as well as previous cohort printed in bold
  2. aAutism Diagnostic Interview–Revised, sum of the Social Algorithm Total and Communication Algorithm Total at 36 months
  3. bCorrelations expected to reach significance based on the previous study
  4. cCorrelation reaching significance at 0.05 significance level (uncorrected for multiple comparisons)
  5. dAutism Diagnostic Interview–Revised, Behaviours/ Repetitive Interests Algorithm Total 36 months
  6. eAutism Diagnostic Observation Schedule–2, Social Affect Total 36 months
  7. fAutism Diagnostic Observation Schedule–2, Restricted and Repetitive Behaviours Total 36 months
  8. gCorrelations expected to show a trend based on the previous study
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