Halloween might be long gone, but Carrie Ahern and her fellow dancers are haunting the Brooklyn Lyceum this week. They're decidely flesh-and-blood creatures. But, if you go, you'll feel the hairs on your arms tingling, particularly if you spend any time in the small, upstairs room where powerful Donna Costello might thrash around like a maniac only a millimeter away from you.�

Sensate, running for three hours at every installation performance, offers each audience member his or her choice of arrival and departure time, viewing location and even intermission. (A restroom is conveniently located to the rear of the main space's primary seating area. Quietly slip back to your bench without fuss, and know that it's okay that you've missed what you've chosen to miss.) Ahern invites us to collaborate with her by creating our own experience of the work, going...