[6] On July 8, 2016, "Mr. Capgras Encounters a Secondhand Vanity: Tulpamancer's Prosopagnosia / Pareidolia (As Direct Result of Trauma to Fusiform Gyrus)" was released as the lead single of Self-ish.

It presents the band performing in an evidence room and a party, intermittenly cutting to Wood with body paint and various pieces of oversaturated or desaturated footage.

It shows the Tapeworms performing on a psychedelic background while Wood shaves his head, eats waffles in a patient gown, wears body paint, and digs a hole in the ground in a thunderstorm.

Tony Shrum of New Noise Magazine labeled it as "sarcastically-cheery drug-addled babbling",[9] while Bob Makin of My Central Jersey referred to it as a "jazzy acid trip".

[2] "Cotard's Solution (Anatta, Dukkha, Anicca)" was described by Makin as a "zany, cirque de l’enfer revelry", likening it to Danny Elfman.

[13] "Mr. Capgras Encounters a Secondhand Vanity: Tulpamancer's Prosopagnosia / Pareidolia (As Direct Result of Trauma to Fusiform Gyrus)" is fourth on Self-ish, which uses a swing-punk melodic pattern.

in a playlist of songs intended to put the listener in a state of numbness,[15] while Makin called it an "insane funeral march", overall describing the album as "a circus from hell".

[8] Shrum related it to "Bohemian Rhapsody" and detailed it as a mix of My Chemical Romance and the Mars Volta,[16] while Shawn Macomber of Fangoria described the track as a "gleefully deranged sonic ambience", comparing it to Gogol Bordello, Mr. Bungle, and Tom Waits.