Evidence map›Paper›PMID 23621377›Full record

ReviewJournal of neuropsychology2013

Impulsivity and apathy in Parkinson's disease.

Nihal Sinha, Sanjay Manohar, Masud Husain

Open access · greenAbstract readReview
In one paragraph

Review in Journal of neuropsychology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed, 1 pooled it
4.1field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

58 citing papers in PubMed, 1 synthesis or guideline pooled it, 104 citations in OpenAlex.

  1. Pooled it
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  6. Article
  7. Decision context and neurobehavioural disturbance in Huntington's disease.Cognitive, affective & behavioral neuroscience · 2026
    Article
  8. Article
  9. Article
  10. Goal-directedness deficit in Huntington's disease.Cognitive, affective & behavioral neuroscience · 2025
    Article
  11. Active information sampling in health and disease.Neuroscience and biobehavioral reviews · 2025
    Review
  12. Article
  13. Article
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  17. Validation of the Italian version of the Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease-Rating Scale (QUIP-RS) in an Italian Parkinson's disease cohort.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Nihal SinhaNuffield Department of Clinical Neurosciences and Department of Experimental Psychology, Oxford University, Oxford, UK.
Sanjay Manohar
Masud Husain
University College London · GBUniversity of Oxford · GB

Funding

Wellcome Trust 090201Wellcome Trust 098282
6 · The paper itself

Abstract

Impulse control disorders (ICDs) and apathy are recognized as two important neuropsychiatric syndromes associated with Parkinson's disease (PD), but as yet we understand very little about the cognitive mechanisms underlying them. Here, we review emerging findings, from both human and animal studies, that suggest that impulsivity and apathy are opposite extremes of a dopamine-dependent spectrum of motivated decision making. We first argue that there is strong support for a hypodopaminergic state in PD patients with apathy, as well as for an association between dopamine therapy and development of ICDs. However, there is little evidence for a clear dose-response relationship, and great heterogeneity of findings. We argue that dopaminergic state on its own is an insufficient explanation, and suggest instead that there is now substantial evidence that both apathy and impulsivity are in fact multi-dimensional syndromes, with separate, dissociable mechanisms underlying their 'surface' manifestations. Some of these mechanisms might be dopamine-dependent. According to this view, individuals diagnosed as impulsive or apathetic may have very different mechanisms underlying their clinical states. We propose that impulsivity and apathy can arise from dissociable deficits in option generation, option selection, action initiation or inhibition and learning. Review of the behavioural and neurobiological evidence leads us to a new conceptual framework that might help understand the variety of functional deficits seen in PD.

Indexed as

ApathyAnimalsDecision MakingDisruptive, Impulse Control, and Conduct DisordersDopamineHumansInhibition, PsychologicalParkinson DiseaseReinforcement, PsychologyDopamine

Identifiers

PMID23621377
PMCPMC3836240
OpenAlexW2127093942

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.