Forward .- Preface .- Part I: The Neuroacanthocytosis Syndromes.- Neuroacanthocytosis Syndromes – A Current Overview. Differential Diagnosis of Chorea. An Update on Hardie Neuroacanthocytosis Series. Update on McLeod Syndrome. Huntington's Disease-like 2. Neuroacanthocytosis in Japan - Review of The Literature and Cases.- Part II: Basic Research – Proteins and Erythrocytes.- The Function of Chorein. Recent studies of Kell and XK: Expression Profiles of Mouse Kell and XK mRNA. Questions of Cell Shape. Neuroacanthocytosis-related Changes In Erythrocyte Membrane Organization And Function. McLeod syndrome: A perspective from Japanese Blood Centers.- Part III: Animal Models.- A Mouse Model of Chorea-acanthocytosis. Part IV: The Structural Basis of Brain Involvement in Neuroacanthocytosis .- Functional Imaging in Neuroacanthocytosis. Volumetric Neuroimaging in Neuroacanthocytosis. Neuropathology of Chorea-acanthocytosis. The Neuropathology of McLeod Syndrome. Cerebral Involvement in McLeod Syndrome: The First Autopsy Revisited.- Part V: Clinical Aspects and Therapy.- Psychiatric morbidity in NA (title to be updated). Muscular Aspects of Chorea-acanthocytosis. Impaired Autonomic Dysfunction in Neuroacanthocytosis and Causes of Sudden Death: Analysis of a Case of Chorea-acanthocytosis with Dysautonomia. Sleep Disorders in Neuroacanthocytosis. Neurosurgery for Neuroacanthocytosis. Speech/occupational therapy in neuroacanthocytosis.- Part VI: The Way Forward.- Virtual Neuroacanthocytosis Institute – A Look Forward