TY - JOUR T1 - Cataplexy in the Prader–Willi syndrome JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 170 LP - 170 DO - 10.1136/adc.87.2.170-a VL - 87 IS - 2 AU - E S Tobias AU - J L Tolmie AU - J B P Stephenson Y1 - 2002/08/01 UR - http://adc.bmj.com/content/87/2/170.2.abstract N2 - We report cataplexy, sudden atonic episodes provoked by emotion, in three patients with Prader–Willi syndrome (PWS) and suggest that cataplexy may be relatively common in this condition.Detailed questioning of the mother of an 18 year old woman who had PWS elicited a history of recurrent attacks, apparently induced by laughter, with sudden loss of power in all the patient's limbs. If … ER -