Dear Sirs,Episodic monomorphic complaints such as facial hem-ispasm, trigeminal neuralgia and typewriter tinnitus areconsidered pathognomonic for nerve-vessel-contact situa-tions [1]. We present a case of episodic dysarthria as amanifestation of a vascular loop syndrome which has notbeen reported before. Oral informed consent was obtainedfrom the patient prior to each examination as well as per-mission to publish the data.At time of admission, a 58 year-old, right-handed gen-tleman recurrently had brief episodes of slurred articulationduring free conversation. Audio-file analysis revealed thatdysarthric episodes were triggered during spontaneousspeech, singing as well as reading aloud of a standardizedtext. Events had occurred periodically lasting 20 (±2) sand were followed by asymptomatic intervals of 84(±10) s. During episodes, the intelligibility of his speechwas reduced which affected his work as administrator of aninsurance company. He reported a lack of control overarticulation, ‘‘as if being drunk’’, and showed efforts toovercome his speech deficit. The dysarthric episodes wereaccompanied by hypomimic facial expression, and inci-dentally by mild motor disturbance of gait or handwriting.Between episodes articulatory precision and motor skillswere all normal.Frenchay Dysarthria Assessment [2] revealed signs of amoderate to severe predominantly spastic dysarthria char-acterized by reduced intensity, monotonous prosody, stran-gled and harsh quality of voice, mild hypernasality, slowedarticulation with many phonetic distortions and alterations(segment elisions, insertions, and feature changes). Dysar-thric episodes occurred in all expressive language modali-ties: spontaneous speech, repetition, naming and readingaloud. The computerized analysis of the acoustic speechsignal revealed that single word production was prolongedby over 30% due to insertion and prolongation of segmentsresulting in slurred articulation (Fig. 1a, b) [3]. There weremarked difficulties to carry out rapid and alternating lipand tongue movements. Swallowing was not considered.Episodes of speech impairment were accompanied by righthand clumsiness and dysdiadochokinesia.At follow-up examination after 6 months, the patientstill presented with episodic dysarthria which made himretire early from work. Episodes persisted with an averageduration of 20 s, while the asymptomatic intervals even-tually had been expanded to an average of 9 min.The neurophysiological examination included an elec-troencephalogram, sensory, transcranial magnetic, and