Zygmunt A. Piotrowski (1904–1985) was a Polish born

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psychologist A psychologist is a professional who practices psychology and studies mental states, perceptual, cognitive, emotional, and social processes and behavior. Their work often involves the experimentation, observation, and interpretation of how indi ...

who worked on the

Rorschach test The Rorschach test is a projective psychological test in which subjects' perceptions of inkblots are recorded and then analyzed using psychological interpretation, complex algorithms, or both. Some psychologists use this test to examine a pe ...

."Dr. Z.A. Piotrowski, Rorschach Test".
''

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'', 12/10/1985.Bricklin, Patricia M., and Barry Bricklin. "Tribute to Zygmunt A. Piotrowski." Journal of Personality Assessment 52.1 (1988): 171-173. He received the

Bruno Klopfer Award The Bruno Klopfer Award is an award for lifetime achievement in personality psychology managed by the Society for Personality Assessment. It is the Society's most prestigious award and is named after the Society's founder Bruno Klopfer. It was fi ...

in 1971 and the Award for Distinguished Professional Contributions from the

American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...

in 1980.

Early life

Piotrowski was born in

Poznań Poznań () is a city on the River Warta in west-central Poland, within the Greater Poland region. The city is an important cultural and business centre, and one of Poland's most populous regions with many regional customs such as Saint John ...

on April 18, 1904. He attended the St. Mary Magdalen Gymnasium and then the

Adam Mickiewicz University in Poznań The Adam Mickiewicz University ( pl, Uniwersytet im. Adama Mickiewicza w Poznaniu; Latin: ''Universitas Studiorum Mickiewicziana Posnaniensis'') is a research university in Poznań, Poland. It traces its origins to 1611, when under the Royal Ch ...

. He studied psychology, the history of philosophy, and symbolic logic and received a PhD in 1927. He did postgraduate study at

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starting in 1928, then from 1934 to 1954 worked at the

New York Psychiatric Institute The New York State Psychiatric Institute, located at the Columbia University Irving Medical Center in the Washington Heights neighborhood of Manhattan, New York City, was established in 1895 as one of the first institutions in the United States t ...

, which was affiliated with Columbia. He married Halina Chybowska. They had one child.

Rorschach test research

In the 1937, Piotrowski published research on ten indicators, found using Rorschach tests, that indicate the presence of

organic brain disease Organic brain syndrome, also known as organic brain disease, organic brain disorder, organic mental syndrome, or organic mental disorder, refers to any syndrome or disorder of mental function whose cause is alleged to be known as organic (physio ...

. These have since been called Piotrowski signs. He developed a method of analysis for the Rorschach test he termed perceptanalysis, which emphasized perception of the images rather than secondary associations.

References

{{DEFAULTSORT:Piotrowski, Zygmunt A. 20th-century American psychologists 1904 births 1985 deaths Polish emigrants to the United States