Cited by 1,395Schizophrenia research and treatmentNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

Schizophrenia: Caused by a fault in programmed synaptic elimination during adolescence?

Feinberg, I.·1982·Journal of Psychiatric Research

Abstract

Converging evidence indicates that a profound reorganization of human brain function takes place during adolescence: the amount of deep sleep and the rate of brain metabolism fall sharply; the latency of certain event-related potentials declines; the capacity to recover function after brain injury diminishes; and adult problem-solving "power" appears. A reduction in cortical synaptic density has recently been observed and might account for all of these changes. Such synaptic "pruning" may be analogous to the programmed elimination of neural elements in very early development. A defect in this maturational process may underlie those cases of schizophrenia that emerge during adolescence.

Integrity signals

Registry

Crossref · 10.1016/0022-3956(82)90038-3

Cites

4 of 4 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Reduced synaptic connectivity in schizophrenia stems from disturbed adolescent brain development, including myelogenesis and synaptic pruning.

    “this reduced synaptic connectivity stems from disturbances of key events of brain development during late adolescence and early adulthood, including myelogenesis (Bartzokis, 2002; Bartzokis et al., 2003; Benes, 1989) and synaptic pruning (Feinberg, 1982; Keshavan et al., 1994; McGlashan and Hoffman, 2000)”

    From Perineuronal nets and schizophrenia: The importance of neuronal coatings (2014) · cites this paper as Feinberg, 1982

  • A deficit in synaptic pruning has long been proposed to contribute to schizophrenia onset.

    “In light of the fact that PNNs are known to play a role in regulating developmental synaptic pruning in the cerebral cortex and that synaptic pruning deficit has long been speculated to contribute to the onset of schizophrenia (McGlashan and Hoffman, 2000; Feinberg, 1982; Keshavan et al., 1994)”

    From Perineuronal nets and schizophrenia: The importance of neuronal coatings (2014) · cites this paper as Feinberg, 1982

  • Some recent studies have inferred changes in the activity of dopaminergic neurons from variations in the blood oxygen level-dependent signal in midbrain nuclei.

    “some recent studies have inferred changes in the activity of dopaminergic neurons on the basis of variations in the blood oxygen level-dependent signal in midbrain nuclei, 82,83”
  • Exaggerated pruning of synapses and dysconnectivity of neural networks are longstanding neurobiological models of schizophrenia, and convergent evidence points to synaptic pathways being integral to conferring schizophrenia risk.

    “Interestingly, exaggerated pruning of synapses 92 and dysconnectivity of neural networks, 93 are longstanding neurobiological models of schizophrenia, and convergent evidence points to synaptic pathways being integral to conferring schizophrenia risk.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Feinberg, I.
Affiliations
San Francisco VA Medical Center (US)
Corresponding author
Feinberg, I.
Venue
Journal of Psychiatric Research
Publisher
Elsevier BV
Published
1982-01
Volume
17
Issue
4
Pages
319-334
ISSN
0022-3956 (ISSN-L)
OpenAlex
W2025011978
Cited by
1,395
References
4
Citations by year
2026: 29 · 2025: 33 · 2024: 60 · 2023: 49 · 2022: 52 · 2021: 55 · 2020: 44 · 2019: 72 · 2018: 30 · 2017: 38 · 2016: 36 · 2015: 42 · 2014: 38 · 2013: 46 · 2012: 31
FWCI
0.80
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Psychiatric Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
schizophrenia, synaptic pruning, adolescence, brain maturation, slow-wave sleep, brain metabolism, event-related potentials, brain injury recovery
MeSH terms
Adolescent, Cell Count, Cerebral Cortex, Cognition, Dopamine, Electroencephalography, Energy Metabolism, Evoked Potentials, Frontal Lobe, Humans, Models, Neurological, Nerve Degeneration, Neuronal Plasticity, Neurons, Reaction Time, Schizophrenia, Sleep Stages, Synapses

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review