Some people who carry a mobile phone or a device with a vibrating mode may experience phantom events.
Clinical features:
(1) The person believes that a mobile phone or other device is vibrating or ringing.
(2) When the person responds there is no evidence of a call, page or other trigger.
(3) The person is typically under stress.
(4) No other explanation is found (for example, call with immediate hang-up, device malfunction).
Significance:
(1) frequency of occurrence
(2) how bothered the person is by the episode
