Table 1.

List of all tracked symptoms of “E” with course of severity before the beginning (survey 1, 16 October 2018) and after (severity 2, 30 April 2019) the end of the intervention with ILF neurofeedback.

Category	Symptom	Severity pre-interv. (survey 1)	Severity post-interv. (survey 2)	Severity reduction [%]
Sleep	Difficulty maintaining sleep	10	2	80
Sleep	Night sweats	10	0	100
Sleep	Restless sleep	10	1	90
Sleep	Bruxism	10	1	90
Sleep	Difficulty falling asleep	10	0	100
Sleep	Nocturnal enuresis	10	10	0
Attention/Learning	Poor drawing ability	10	8	20
Attention/Learning	Difficulty shifting attention	10	5	50
Attention/Learning	Poor verbal expression	10	4	60
Sensory	Auditory hypersensitivity	10	3	70
Sensory	Poor body awareness	10	7	30
Sensory	Somatosensory deficits	10	5	50
Sensory	Poor balance	9	0	100
Sensory	Clumsiness	10	4	60
Behavioral	Excessive talking	10	10	0
Behavioral	Impulsivity	10	10	0
Behavioral	Self-injurious behavior	10	8	20
Behavioral	Autistic stimming	10	8	20
Behavioral	Hyperactivity	9	7	22
Behavioral	Oppositional/defiant behavior	8	6	25
Emotional	Anxiety	10	6	40
Physical	Fatigue/exhaustion	10	4	60
Physical	Weak immune system	10	0	100
	Σ	226	109	Ø 52

The 23 symptoms listed here were selected from a list of 137 symptoms in the categories of sleep, attention and learning behaviors, sensory and perception, behavior, emotions, physical symptoms, and pain after the first complete symptom severity survey based on the highest severity levels reported by the parents of “E”.