The neurobiology of thought: the groundbreaking discoveries of Patricia Goldman-Rakic 1937-2003.
Level 5 - mechanism / opinion, no new human data
Narrative historical review and biography with no primary empirical data (CEBM Level 5).
PubMed 23926115 · doi:10.1093/cercor/bht195
What was done
This paper is a biographical and historical retrospective reviewing the research career and discoveries of neuroscientist Patricia Goldman-Rakic (1937-2003) ten years after her death. The review synthesizes her work on dorsolateral prefrontal cortex (dlPFC) microcircuitry, dopamine modulation, working memory, and their relevance to psychiatric disease.
What was found
The abstract reports no quantitative measurements or statistics. It summarizes key scientific discoveries: identifying dlPFC circuits necessary for spatial working memory; demonstrating that persistent cellular firing arises from recurrent excitation in deep layer III glutamatergic pyramidal cells tuned by GABAergic lateral inhibition; finding that dopamine via D1 receptor actions is essential for dlPFC function; and establishing how dlPFC microcircuit impairment relates to thought disorder in schizophrenia.
Why it matters
Goldman-Rakic's discoveries established the cellular and neurochemical basis of working memory and mental representation, fundamentally shaping contemporary cognitive neuroscience and cellular models of schizophrenia.
Limits
The paper is a narrative historical overview and biography, presenting no new primary empirical data, formal methodology, or systematic quantitative synthesis.
Cited by
- supports Research by Patricia Goldman-Rakic showed that dopamine is important for working memory and holding short-term representations in mind.