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The activation-synthesis hypothesis, proposed by Harvard University psychiatrists John Allan Hobson and Robert McCarley, is a neurobiological theory of dreams first published in the American Journal of Psychiatry in December 1977.
John Allan Hobson (June 3, 1933 – July 7, 2021 [1]) was an American psychiatrist and dream researcher. He was known for his research on rapid eye movement sleep . He was Professor of Psychiatry, Emeritus, Harvard Medical School, and Professor, Department of Psychiatry, Beth Israel Deaconess Medical Center.
During his residency at Massachusetts Mental Health Center, he studied with J. Allan Hobson. In 1977, Hobson and McCarley developed the activation synthesis theory of dreaming that said that dreams do not have meanings and are the result of the brain attempting to make sense of random neuronal firing in the cortex. [2]
For this reason, Hobson argues that a high priority should be accorded to brain science supposing that it will help better understand the mind. This is the principle on which Hobson's brain theory of consciousness and formal approach to dream interpretation is based (Hobson, 2018).
One popular theory as to the reasoning behind dreams is Hobson's activation-synthesis theory. This theory states that while sleeping we cycle through REM (rapid eye movement) periods about every 90 minutes. During these periods various neurotransmitters fire off, causing dreams.
Hobson, 55, may be best known as a money adviser on TV, but she is also a force in corporate boardrooms, joining Forbes' list of the World's 100 Most Powerful Women in 2020. Hobson's story begins ...
The Crick-Mitchison theory is a variant upon Hobson and McCarley's activation-synthesis hypothesis, [4] published in December 1977. Hobson and McCarley hypothesized that a brain stem neuronal mechanism sends pontine-geniculo-occipital (or PGO) waves that automatically activate the mammalian forebrain. By comparing information generated in ...
Fortune talks with Hobson about the firm's new documentary and leadership lessons. How Mellody Hobson’s journey to co-CEO at $14.9 billion Ariel Investments began with a payphone call from a ...