Examines arc de cercle's clinical relevance in focal epileptic seizures, suggesting reevaluation of its interpretation.
Since its description in 1885 in the Études cliniques sur l'hystéro-épilepsie ou grand hystérie by Raul Richer, the arc de cercle , or circular arc (figure 1A), has become synonymous of psychogenic nonepileptic seizures (PNES) and automatically interpreted as such by physicians. The development of extracranial and intracranial EEG recording has not confirmed the clinical importance of the arc de cercle .
No takes yet. Share an insight, caveat, or question.
Pestana‐Knight et al. (2018) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: