perky

Mary Cheves West Perky (1874–1940) was an American psychologist and one of the twenty-one female students who studied under Edward B. Titchener at Cornell University. She received a Ph.D. in 1910 for her groundbreaking work on visual, auditory, and olfactory imagery. Her findings have had a considerable impact by being cited by name in the title of an article as recently as 2012. ] According to her findings, perception is not merely a representation of the external world, but is also influenced by thoughts, expectations, and mental images. In the same year, she performed the "Banana Experiment," which demonstrated how perception and visual imagery could be confused; a phenomenon known as the Perky Effect. She concluded that mental imagery is not merely a weak form of perception, but it can directly influence our sensory perceptions. which examines the link between mental imagery and visual perception.
Perky also studied the cooperative movement, a group of organized activities aimed at providing benefits and mutual assistance among its members. Her engagement led her to become the Associate Secretary of the Cooperative League of America.

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