A Hole in the Head is a 1998 documentary film produced and executive produced by filmmaker and author Cevin Soling. Directed by Eli Kabillio, the 54-minute film examines the controversial practice of trepanation—the process of boring a hole into the human skull. [1, 2, 3, 4, 5]

Core Premise and History
The documentary explores both the historical roots and the modern subculture surrounding voluntary trepanation. [1]

Ancient Origins: The film highlights how the procedure is one of the oldest known surgical practices, utilized by ancient Egyptians, Incas, and Neolithic civilizations. [1, 2, 3]
The Modern Goal: It focuses heavily on individuals in the United Kingdom, the United States, and the Netherlands who choose to perform or undergo the procedure on themselves. [1, 2]
The Underlying Theory: Advocates in the film believe that removing a small piece of bone restores the "brain pulsations" lost when the skull fully hardens in adulthood. They argue this increases brain blood volume and oxygenation, leading to a permanent "high" or a permanently expanded state of consciousness. [1]

Featured Subjects
The documentary includes interviews and historical footage of prominent figures within the modern trepanation movement: [

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