30 April 2019

30th April 1857 - Eugen Bleuler born

Eugen Bleuler was born on 30th April 1857 in Switzerland. He trained as a doctor then as a psychiatrist and was the first to name the grouping of conditions known as schizophrenia - a term which he considered more apt than the term dementia praecox used beforehand. Through observation he noted that schizophrenia did not cause deterioration of mental capacity and so was not a dementia. The term schizophrenia instead implied a splitting or schism of thought, emotion and behaviour in various ways.

Bleuler identified primary and secondary symptoms.

The primary symptoms he called the four As
Affect - flattened or inappropriate emotions for a situation.
Ambivalence - conflicting attitudes and emotions.
Associations - loose thought associations leading to disordered thought.
Autism - social withdrawal.

Bleuler also identified secondary symptoms such as hallucinations and delusions. These had been the primary symptoms of dementia praecox.

Thankyou to today in psychology history for the date.

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