Humor and episodic memory following frontal versus posterior brain lesions

10 frontal versus 10 posterior brain-lesioned patients were studied as to their capacity to use feelings (a humor response) to aid episodic memory. Both groups were inferior to 10 controls, and frontal-lesioned patients were inferior to those with posterior lesions. However, the former had more trouble using visual cues to aid memory. Consequently, the differences between frontal- and posterior-lesioned patients may not be specifically related to differences in using "feeling" cues to facilitate memory.