Cited by 46Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsNeuroethics, Human Enhancement, Biomedical Innovations

Pharmacological enhancement of memory or cognition in normal subjects

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Lynch, Gary·2014·Frontiers in Systems Neuroscience

Abstract

The possibility of expanding memory or cognitive capabilities above the levels in high functioning individuals is a topic of intense discussion among scientists and in society at large. The majority of animal studies use behavioral endpoint measures; this has produced valuable information but limited predictability for human outcomes. Accordingly, several groups are pursuing a complementary strategy with treatments targeting synaptic events associated with memory encoding or forebrain network operations. Transcription and translation figure prominently in substrate work directed at enhancement. Notably, the question of why new proteins would be needed for a now-forming memory given that learning-driven synthesis presumably occurred throughout the immediate past has been largely ignored. Despite this conceptual problem, and some controversy, recent studies have reinvigorated the idea that selective gene manipulation is a plausible route to enhancement. Efforts to improve memory by facilitating synaptic encoding of information have also progressed, in part due of breakthroughs on mechanisms that stabilize learning-related, long-term potentiation (LTP). These advances point to a reductionistic hypothesis for a diversity of experimental results on enhancement, and identify under-explored possibilities. Cognitive enhancement remains an elusive goal, in part due to the difficulty of defining the target. The popular view of cognition as a collection of definable computations seems to miss the fluid, integrative process experienced by high functioning individuals. The neurobiological approach obviates these psychological issues to directly test the consequences of improving throughput in networks underlying higher order behaviors. The few relevant studies testing drugs that selectively promote excitatory transmission indicate that it is possible to expand cortical networks engaged by complex tasks and that this is accompanied by capabilities not found in normal animals.

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Authors
Lynch, G.
Affiliations
University of California, Irvine (US)
Corresponding author
Lynch, Gary
Venue
Frontiers in Systems Neuroscience
Published
2014
Volume
8
Pages
90-90
ISSN
1662-5137 (ISSN-L)
OpenAlex
W2110892837
Cited by
46
References
168
Citations by year
2025: 2 · 2024: 3 · 2023: 4 · 2022: 1 · 2021: 5 · 2020: 6 · 2019: 3 · 2018: 3 · 2017: 4 · 2016: 5 · 2015: 7 · 2014: 3
FWCI
0.72
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Systems Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • National Science Foundation (1146708)
  • University of California, Irvine
  • Office of Naval Research
  • National Institute of Neurological Disorders and Stroke (P01NS045260, NS045260)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroethics, Human Enhancement, Biomedical Innovations
Keywords
cognitive enhancement, memory enhancement, synaptic plasticity, long-term potentiation, genetic engineering, transcription and translation, excitatory synaptic transmission, cortical networks, learning

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