<prompt> A 60 yr old man with CO progressive dementia for the past 6 months with intermittent jerky movement involving whole body from 2 days. EEG showed sharp bipolar spikes. Diagnosis isAlzheimersCreutzfeld Jakob diseaseLewy body dementiaHerpes simplex encephalitis  <response>: EEG findings... 1 Periodic sharp wave complex Creutz feldt kacob disease 2 periodic lateralizing discharge Herpes simplex encephalitis Ref Harrison20th edition pg 2456 