Sudden insight is associated with shutting out visual inputs
Psychonomic Bulletin & Review (2015) - Comment
pubmed: 26268431  doi: 10.3758/s13423-015-0845-0  issn: 1531-5320  issn: 1069-9384 

Carola Salvi, Emanuela Bricolo, Steven L. Franconeri, John Kounios, Mark Beeman