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Table 4 Neurological findings in individuals with FOXP1 syndrome

From: Prospective investigation of FOXP1 syndrome

Neurological feature

S1

S2

S3

S4

S5

W1

W2

W3

W4

Total (%)

Brain imaging abnormality

+ a

+ b

+ c

+ d

n/a

–

n/a

+ e

+ f

6/7 (86%)

EEG abnormality

n/a

n/a

–

n/a

n/a

+

n/a

–

+

2/4 (50%)

Hypotonia

+

+

+

+

+

–

+

+

+

8/9 (89%)

Feeding issues (past/present)

+

–

–

–

+

–

–

+

–

3/9 (33%)

Dysarthria

+

+

+

+

+

+

+

+

+

9/9 (100%)

Gait abnormalities

+

+

+

+

+

+

–

+

–

7/9 (78%)

Fine/gross motor coordination deficit

+

+

+

+

+

+

+

+

+

9/9 (100%)

Hypoacusis/hearing loss

–

–

–

–

–

–

–

–

+

1/9 (11%)

Spinal cord malformation

–

–

+g

–

–

–

–

–

–

1/9 (11%)

  1. aMildly dilated lateral ventricles
  2. bNon-enhancing subcortical and deep white matter abnormalities; incidental finding of venous angioma in left frontal lobe
  3. cProminent Virchow-Robin spaces. Small partial cavum septum pellucidum anteriorly
  4. dMild diffuse periventricular leukomalacia
  5. eArachnoid cysts (cerebellum, left hemisphere); enlarged ventricles
  6. fEnlarged ventricles
  7. gTethered cord and conus medullaris terminating at the lumbar spine segment L3
  8. n/a information not available