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Titolo:
Psychopathy and the posterior hippocampus
Autore:
Laakso, MP; Vaurio, O; Koivisto, E; Savolainen, L; Eronen, M; Aronen, HJ; Hakola, P; Repo, E; Soinien, H; Tiihonen, J;
Indirizzi:
Kuopio Univ Hosp, Dept Neurol, Kuopio 70211, Finland Kuopio Univ Hosp Kuopio Finland 70211 Dept Neurol, Kuopio 70211, Finland Kuopio Univ Hosp, Dept Clin Radiol, Kuopio 70211, Finland Kuopio Univ Hosp Kuopio Finland 70211 Clin Radiol, Kuopio 70211, Finland Univ Kuopio, Niuvanniemi Hosp, Dept Forens Psychiat, Kuopio 70240, FinlandUniv Kuopio Kuopio Finland 70240 Forens Psychiat, Kuopio 70240, Finland Vanha Vaasa Hosp, Vaasa 65381, Finland Vanha Vaasa Hosp Vaasa Finland 65381 ha Vaasa Hosp, Vaasa 65381, Finland Univ Kuopio, Dept Neurosci & Neurol, FIN-70211 Kuopio, Finland Univ Kuopio Kuopio Finland FIN-70211 & Neurol, FIN-70211 Kuopio, Finland Kuopio Univ Hosp, Dept Clin Physiol, Kuopio 70211, Finland Kuopio Univ Hosp Kuopio Finland 70211 lin Physiol, Kuopio 70211, Finland
Titolo Testata:
BEHAVIOURAL BRAIN RESEARCH
fascicolo: 2, volume: 118, anno: 2001,
pagine: 187 - 193
SICI:
0166-4328(20010129)118:2<187:PATPH>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
MEDIAL TEMPORAL-LOBE; DAMAGE; AUTISM; FEAR; IMPAIRMENT; ALCOHOLISM; VIOLENCE;
Keywords:
aggression; behavior; human; psychopathy; sociopathy; violence;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Laakso, MP Kuopio Univ Hosp, Dept Neurol, Bldg 5,POB 1777, Kuopio 70211, Finland Kuopio Univ Hosp Bldg 5,POB 1777 Kuopio Finland 70211 Finland
Citazione:
M.P. Laakso et al., "Psychopathy and the posterior hippocampus", BEH BRA RES, 118(2), 2001, pp. 187-193

Abstract

Neurobiology of psychopathy is of interest, not only because neural underpinnings of psychopathy remain obscure, but also because psychopaths may provide a model to study violent behavior, neurology of morals and impaired decision-making. Medial temporal lobe pathology has been suggested to be a part of the neural systems dysfunction which manifests as violent and psychopathic behavior. Yet, so far no sound evidence of neuroanatomical correlatesfor psychopathic behavior has been found. In this study regional hippocampal volumes were measured using magnetic resonance imaging in 18 habitually violent offenders with antisocial personality disorder and type 2 alcoholism (derived from forensic psychiatric evaluation). The regional volumes along the anteroposterior axis of the hippocampus were correlated with the subjects' degree of psychopathy as evaluated by the Psyhopathy Checklist-Revised. Strong negative correlations, up to - 0.79, were observed, among the study subjects, between the psychopathy scores and the posterior half of the hippocampi bilaterally. These data are in accordance with experimental studies proposing that lesions of the dorsal hippocampus impair acquisition of conditioned fear, and with theories on psychopathology according to which one of the central features in the birth of psychopathy is a deficit in acquisition of conditioned fear. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 06/04/20 alle ore 07:58:09