Cited by 12Obsessive-Compulsive Spectrum DisordersNeural and Behavioral Psychology StudiesNeurological disorders and treatments

Implicación del circuito corticoestriadotalámico en pacientes con trastorno obsesivo-compulsivo durante una tarea de control inhibitorio con contingencias de recompensa y castigo

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Pena Garijo, Josep, Barros Loscertales, Alfonso, Ventura Campos, Noelia, Ruipérez Rodríguez, Mª Ángeles, Edo Villamón, Silvia, Ávila Rivera, César·2011·Revista de Neurología

Abstract

INTRODUCTION: Recent neuroimaging studies conducted on obsessive-compulsive disorder (OCD) show alterations in the fronto-thalamic-striatal circuit, which would give rise to an executive dysfunction. This could be the neurocognitive substrate underlying the main symptoms of OCD, i.e. obsessions and compulsions. SUBJECTS AND METHODS: Both brain activity and behavioural performance of a group of 13 patients with OCD were compared with a control group of 13 healthy subjects by means of functional magnetic resonance imaging while performing an inhibitory control task with reward and punishment contingencies. The effects of medication were also analysed. RESULTS: The intra-group analyses showed a longer reaction time during the go/no go condition in both groups, although there were no differences between the groups in the performance of the task. With regard to this task, significant activation of large areas of the cerebellum and the occipital, temporal and parietal lobes was observed in the healthy subjects. In comparison with the controls, the obsessive patients showed lower activation in the right-side frontal medial and superior gyri, the anterior cingulate cortex and the caudate nucleus, and greater activation in the inferior parietal convolution and the fusiform gyrus. The effects of medication were found in the frontal cortex and basal structures. CONCLUSIONS: These results agree with the argument claiming that the dysfunction in the corticostriatal system in OCD is associated to diminished brain activity in response to cognitive tasks.

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Crossref · 10.33588/rn.5302.2010767

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Authors
Pena Garijo, J., Barros Loscertales, A., Ventura Campos, N., Ruipérez Rodríguez, M. Á., Edo Villamón, S., & Ávila Rivera, C.
Venue
Revista de Neurología
Publisher
IMR Press
Published
2011
Volume
53
Issue
02
Pages
77
ISSN
0210-0010 (ISSN-L)
OpenAlex
W26796066
Cited by
12
References
48
Citations by year
2026: 1 · 2022: 1 · 2020: 1 · 2018: 1 · 2017: 1 · 2016: 3 · 2015: 1 · 2014: 1 · 2012: 1
FWCI
1.03
Type
journal article
Language
es
Open access
Licence
other-oa
Locations
  • Revista de Neurología (publishedVersion)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
  • Repositori UJI (Universitat Jaume I) (submittedVersion, public-domain)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
obsessive-compulsive disorder, inhibitory control, go/no-go task, executive dysfunction, anterior cingulate cortex, caudate nucleus, frontal cortex, cerebellum, fusiform gyrus, antipsychotic effects, brain activation
MeSH terms
Adult, Corpus Striatum, Female, Frontal Lobe, Humans, Inhibition, Psychological, Magnetic Resonance Imaging, Male, Middle Aged, Neural Pathways, Neuropsychological Tests, Obsessive-Compulsive Disorder, Psychomotor Performance, Punishment, Reward, Thalamus

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