Table 1

Symptoms reported from questionnaire based study

Nine subjectsMean
Age at interview12.7 years
Gender
 Male4
 Female5
Age onset illusions8.4 years
Age onset headaches9.4 years
Hearing voices when no-one is around (hallucination)6 (67%)
Hearing noise with nothing to explain it (hallucination)4 (44%)
Seeing things that no-one else can see (hallucination)7 (78%)
Smelling things with no explanation (hallucination)0
Feeling things touch you when there is nothing to explain it (hallucination)4 (44%)
Seeing things that become distorted (illusion)7 (78%)
Things seeming much bigger than they really are (illusion)5 (55%)
Things seeming much smaller than they really are (illusion)3 (33%)
A sensation that time is going very slowly (illusion)3 (33%)
A sensation that time is going very quickly (illusion)5 (55%)
A sensation that colours are much brighter than they should be (illusion)4 (44%)
A sensation that colours are much dimmer than they usually are (illusion)4 (44%)
A sensation that you are outside your body (illusion)6 (67%)
A feeling that the world is not real (illusion)5 (55%)
A feeling that you are not real (illusion)4 (44%)
A feeling of fear for no reason6 (67%)
A feeling that people are being sarcastic when you don't really think they are2 (22%)
A feeling that parts of your body change in size (illusion)55%
Have you experienced any other unusual symptoms44%
Hyperacusis (illusion)55%
Object moving (illusion)78%
Number of different illusions10.5 (range 7–15)
Full fills ICH diagnostic criteria for migraine100%
First degree relative with migraine78%
First degree relative with AIWS like symptoms22%
Normal CNS examination100%
EEG (all normal)44%
MRI (all normal)55%
  • AIWS, Alice in Wonderland Syndrome; CNS, central nervous system.