Advertisement
Review| Volume 16, ISSUE 2, P79-84, February 2010

Download started.

Ok

A timeline for Parkinson's disease

  • Author Footnotes
    1 Conceived the timeline concept and was responsible for the main draft.
    Christopher H. Hawkes
    Correspondence
    Corresponding author. Tel.: +44 207 377 7000.
    Footnotes
    1 Conceived the timeline concept and was responsible for the main draft.
    Affiliations
    Neuroscience Centre, Institute of Cell and Molecular Science, Barts and the London School of Medicine and Dentistry, 4 Newark Street, London E1 2AT, UK
    Search for articles by this author
  • Author Footnotes
    2 Supplemented and improved the text, referencing and timeline figure.
    Kelly Del Tredici
    Footnotes
    2 Supplemented and improved the text, referencing and timeline figure.
    Affiliations
    Clinical Neuroanatomy Section, Center for Clinical Research, Department of Neurology, University of Ulm, Helmholtzstrasse 8/1, 89081 Ulm, Germany
    Search for articles by this author
  • Author Footnotes
    2 Supplemented and improved the text, referencing and timeline figure.
    Heiko Braak
    Footnotes
    2 Supplemented and improved the text, referencing and timeline figure.
    Affiliations
    Clinical Neuroanatomy Section, Center for Clinical Research, Department of Neurology, University of Ulm, Helmholtzstrasse 8/1, 89081 Ulm, Germany
    Search for articles by this author
  • Author Footnotes
    1 Conceived the timeline concept and was responsible for the main draft.
    2 Supplemented and improved the text, referencing and timeline figure.

      Abstract

      It is reasonably well established that prior to the motor phase of classical Parkinson's disease (PD) there is a prodromal period of several years duration. Once typical motor features appear, the disease continues up to 20 years depending on multiple variables. The clinical features of the prodromal and motor phases may be correlated with pathological changes in the central and autonomic nervous systems to allow a sequential plan of disease progression. We present a ‘best guess’ for a typical individual presenting with PD in their sixties and speculate that the disease will last approximately 40 years from the earliest non-motor features to death. Appreciation of this concept may allow better strategies for slowing or halting disease progression.

      Keywords

      To read this article in full you will need to make a payment

      Purchase one-time access:

      Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online access
      One-time access price info
      • For academic or personal research use, select 'Academic and Personal'
      • For corporate R&D use, select 'Corporate R&D Professionals'

      Subscribe:

      Subscribe to Parkinsonism & Related Disorders
      Already a print subscriber? Claim online access
      Already an online subscriber? Sign in
      Institutional Access: Sign in to ScienceDirect

      References

        • Abbott R.D.
        • Petrovitch H.
        • White L.R.
        • Masaki K.H.
        • Tanner C.M.
        • Curb J.D.
        • et al.
        Frequency of bowel movements and the future risk of Parkinson's disease.
        Neurology. 2001; 57: 456-462
        • Abbott R.D.
        • Ross G.W.
        • Petrovitch H.
        • Tanner C.M.
        • Davis D.G.
        • Masaki K.H.
        • et al.
        Bowel movement frequency in late-life and incidental Lewy bodies.
        Mov Disord. 2007; 22: 1581-1586
        • Abbott R.D.
        • Ross G.W.
        • White L.R.
        • Nelson J.S.
        • Masaki K.H.
        • Tanner C.M.
        • et al.
        Midlife adiposity and the future risk of Parkinson's disease.
        Neurology. 2002; 59: 1051-1057
        • Abbott R.D.
        • Ross G.W.
        • White L.R.
        • Tanner C.M.
        • Masaki K.H.
        • Nelson J.S.
        • et al.
        Excessive daytime sleepiness and subsequent development of Parkinson disease.
        Neurology. 2005; 65: 1442-1446
        • Alonso A.
        • Rodriguez L.A.
        • Logroscino G.
        • Hernan M.A.
        Use of antidepressants and the risk of Parkinson's disease: a prospective study.
        J Neurol Neurosurg Psychiatry. 2009; 80: 671-674
        • Aston-Jones G.
        Brain structures and receptors involved in alertness.
        Sleep Med. 2005; 6: S3-S7
        • Aston-Jones G.
        • Rajkowski J.
        • Cohen J.
        Locus coeruleus and regulation of behavioral flexibility and attention.
        Prog Brain Res. 2000; 126: 165-182
        • Ben-Shlomo Y.
        • Marmot M.G.
        Survival and cause of death in a cohort of patients with parkinsonism: possible clues to aetiology?.
        J Neurol Neurosurg Psychiatry. 1995; 58: 293-299
        • Birch J.
        • Kolle R.U.
        • Kunkel M.
        • Paulus W.
        • Upadhyay P.
        Acquired colour deficiency in patients with Parkinson's disease.
        Vis Res. 1998; 38: 3421-3426
        • Bosboom J.L.
        • Stoffers D.
        • Wolters E.C.
        Cognitive dysfunction and dementia in Parkinson's disease.
        J Neural Transm. 2004; 111: 1303-1315
        • Braak H.
        • Bohl J.R.
        • Muller C.M.
        • Rüb U.
        • de Vos R.A.
        • Del Tredici K.
        Stanley Fahn Lecture 2005: the staging procedure for the inclusion body pathology associated with sporadic Parkinson's disease reconsidered.
        Mov Disord. 2006; 21: 2042-2051
        • Braak H.
        • de Vos R.A.
        • Bohl J.
        • Del Tredici K.
        Gastric alpha-synuclein immunoreactive inclusions in Meissner's and Auerbach's plexuses in cases staged for Parkinson's disease-related brain pathology.
        Neurosci Lett. 2006; 396: 67-72
        • Braak H.
        • Del Tredici K.
        Cortico-basal ganglia-cortical circuitry in Parkinson's disease reconsidered.
        Exp Neurol. 2008; 212: 226-229
        • Braak H.
        • Del Tredici K.
        Invited article: nervous system pathology in sporadic Parkinson disease.
        Neurology. 2008; 70: 1916-1925
        • Braak H.
        • Del Tredici K.
        • Rüb U.
        • de Vos R.A.
        • Jansen Steur E.N.
        • Braak E.
        Staging of brain pathology related to sporadic Parkinson's disease.
        Neurobiol Aging. 2003; 24: 197-211
        • Braak H.
        • Ghebremedhin E.
        • Rüb U.
        • Bratzke H.
        • Del Tredici K.
        Stages in the development of Parkinson's disease-related pathology.
        Cell Tissue Res. 2004; 318: 121-134
        • Burke R.E.
        • Dauer W.T.
        • Vonsattel J.P.
        A critical evaluation of the Braak staging scheme for Parkinson's disease.
        Ann Neurol. 2008; 64: 485-491
        • Buzas B.
        • Max M.B.
        Pain in Parkinson disease.
        Neurology. 2004; 62: 2156-2157
        • Chateau D.
        • Aron C.L.
        Heterotypic sexual behavior in male rats after lesions in different amygdaloid nuclei.
        Horm Behav. 1988; 22: 379-387
        • Chaudhuri K.R.
        • Healy D.G.
        • Schapira A.H.
        Non-motor symptoms of Parkinson's disease: diagnosis and management.
        Lancet Neurol. 2006; 5: 235-245
        • Chen H.
        • Zhang S.M.
        • Schwarzschild M.A.
        • Hernan M.A.
        • Willett W.C.
        • Ascherio A.
        Obesity and the risk of Parkinson's disease.
        Am J Epidemiol. 2004; 159: 547-555
        • D'Amelio M.
        • Ragonese P.
        • Morgante L.
        • Reggio A.
        • Callari G.
        • Salemi G.
        • et al.
        Long-term survival of Parkinson's disease: a population-based study.
        J Neurol. 2006; 253: 33-37
        • Del Tredici K.
        • Braak H.
        A not entirely benign procedure: progression of Parkinson's disease.
        Acta Neuropathol. 2008; 115: 379-384
      1. Dickson DW, Uchikado H, Klos KJ, Josephs KA, Boeve BF, Ahlskog J, A critical review of the Braak staging system for Parkinson's disease. 2006.

        • Doty R.L.
        • Deems D.A.
        • Stellar S.
        Olfactory dysfunction in Parkinsonism: a general deficit unrelated to neurologic signs, disease stage, or disease duration.
        Neurology. 1988; 38: 1237-1244
        • Edwards L.L.
        • Quigley E.M.
        • Pfeiffer R.F.
        Gastrointestinal dysfunction in Parkinson's disease: frequency and pathophysiology.
        Neurology. 1992; 42: 726-732
        • Elbaz A.
        • Bower J.H.
        • Peterson B.J.
        • Maraganore D.M.
        • McDonnell S.K.
        • Ahlskog J.E.
        • et al.
        Survival study of parkinson disease in Olmsted County, Minnesota.
        Arch Neurol. 2003; 60: 91-96
        • Fearnley J.M.
        • Lees A.J.
        Ageing and Parkinson's disease: substantia nigra regional selectivity.
        Brain. 1991; 114: 2283-2301
        • Fibiger H.C.
        The neurobiological substrates of depression in Parkinson's disease: a hypothesis.
        Can J Neurol Sci. 1984; 11: 105-107
        • Fujishiro H.
        • Frigerio R.
        • Burnett M.
        • Klos K.J.
        • Josephs K.A.
        • DelleDonne A.
        • et al.
        Cardiac sympathetic denervation correlates with clinical and pathologic stages of Parkinson's disease.
        Mov Disord. 2008; 23: 1085-1092
        • Gao X.
        • Chen H.
        • Schwarzschild M.A.
        • Glasser D.B.
        • Logroscino G.
        • Rimm E.B.
        • et al.
        Erectile function and risk of Parkinson's disease.
        Am J Epidemiol. 2007; 166: 1446-1450
        • Gonera E.G.
        • van't H.M.
        • Berger H.J.
        • van W.C.
        • Horstink M.W.
        Symptoms and duration of the prodromal phase in Parkinson's disease.
        Mov Disord. 1997; 12: 871-876
        • Haehner A.
        • Hummel T.
        • Hummel C.
        • Sommer U.
        • Junghanns S.
        • Reichmann H.
        Olfactory loss may be a first sign of idiopathic Parkinson's disease.
        Mov Disord. 2007; 22: 839-842
        • Haensch C.A.
        • Lerch H.
        • Jorg J.
        • Isenmann S.
        Cardiac denervation occurs independent of orthostatic hypotension and impaired heart rate variability in Parkinson's disease.
        Parkinsonism Relat Disord. 2009; 15: 134-137
        • Halliday G.
        • Hely M.
        • Reid W.
        • Morris J.
        The progression of pathology in longitudinally followed patients with Parkinson's disease.
        Acta Neuropathol. 2008; 115: 409-415
        • Halliday G.M.
        • Del Tredici K.
        • Braak H.
        Critical appraisal of brain pathology staging related to presymptomatic and symptomatic cases of sporadic Parkinson's disease.
        J Neural Transm Suppl. 2006; : 99-103
        • Hawkes C.H.
        Parkinson's disease and aging: same or different process?.
        Mov Disord. 2008; 23: 47-53
        • Hawkes C.H.
        The prodromal phase of sporadic Parkinson's disease: does it exist and if so how long is it?.
        Mov Disord. 2008;
        • Hawkes C.H.
        • Del Tredici K.
        • Braak H.
        Parkinson's disease: a dual-hit hypothesis.
        Neuropathol Appl Neurobiol. 2007; 33: 599-614
        • Hawkes C.H.
        • Shephard B.C.
        • Daniel S.E.
        Olfactory dysfunction in Parkinson's disease.
        J Neurol Neurosurg Psychiatry. 1997; 62: 436-446
        • Herlofson K.
        • Lie S.A.
        • Arsland D.
        • Larsen J.P.
        Mortality and Parkinson disease: a community based study.
        Neurology. 2004; 62: 937-942
        • Hu G.
        • Jousilahti P.
        • Nissinen A.
        • Antikainen R.
        • Kivipelto M.
        • Tuomilehto J.
        Body mass index and the risk of Parkinson disease.
        Neurology. 2006; 67: 1955-1959
        • Ikemura M.
        • Saito Y.
        • Sengoku R.
        • Sakiyama Y.
        • Hatsuta H.
        • Kanemaru K.
        • et al.
        Lewy body pathology involves cutaneous nerves.
        J Neuropathol Exp Neurol. 2008; 67: 945-953
        • Iranzo A.
        • Molinuevo J.L.
        • Santamaria J.
        • Serradell M.
        • Marti M.J.
        • Valldeoriola F.
        • et al.
        Rapid-eye-movement sleep behaviour disorder as an early marker for a neurodegenerative disorder: a descriptive study.
        Lancet Neurol. 2006; 5: 572-577
        • Ishihara-Paul L.
        • Wainwright N.W.
        • Khaw K.T.
        • Luben R.N.
        • Welch A.A.
        • Day N.E.
        • et al.
        Prospective association between emotional health and clinical evidence of Parkinson's disease.
        Eur J Neurol. 2008; 15: 1148-1154
        • Iwanaga K.
        • Wakabayashi K.
        • Yoshimoto M.
        • Tomita I.
        • Satoh H.
        • Takashima H.
        • et al.
        Lewy body-type degeneration in cardiac plexus in Parkinson's and incidental Lewy body diseases.
        Neurology. 1999; 52: 1269-1271
        • Jellinger K.A.
        Alpha-synuclein pathology in Parkinson's and Alzheimer's disease brain: incidence and topographic distribution–a pilot study.
        Acta Neuropathol. 2003; 106: 191-201
        • Jellinger K.A.
        The morphological basis of mental dysfunction in Parkinson's disease.
        J Neurol Sci. 2006; 248: 167-172
        • Jellinger K.A.
        A critical reappraisal of current staging of Lewy-related pathology in human brain.
        Acta Neuropathol. 2008; 116: 1-16
        • Kalaitzakis M.E.
        • Christian L.M.
        • Moran L.B.
        • Graeber M.B.
        • Pearce R.K.
        • Gentleman S.M.
        Dementia and visual hallucinations associated with limbic pathology in Parkinson's disease.
        Parkinsonism Relat Disord. 2009; 15: 196-204
        • Kayama Y.
        • Koyama Y.
        Control of sleep and wakefulness by brainstem monoaminergic and cholinergic neurons.
        Acta Neurochir Suppl. 2003; 87: 3-6
        • Klimek V.
        • Stockmeier C.
        • Overholser J.
        • Meltzer H.Y.
        • Kalka S.
        • Dilley G.
        • et al.
        Reduced levels of norepinephrine transporters in the locus coeruleus in major depression.
        J Neurosci. 1997; 17: 8451-8458
        • Korczyn A.D.
        Autonomic nervous screening in paitents with early Parkinson's disease.
        in: Przuntek H. Riederer P. Early diagnosis and preventive therapy in Parkinson's disease. Springer-Verlag, Vienna1989
        • Kordower J.H.
        • Chu Y.
        • Hauser R.A.
        • Freeman T.B.
        • Olanow C.W.
        Lewy body-like pathology in long-term embryonic nigral transplants in Parkinson's disease.
        Nat Med. 2008; 14: 504-506
        • Kordower J.H.
        • Chu Y.
        • Hauser R.A.
        • Olanow C.W.
        • Freeman T.B.
        Transplanted dopaminergic neurons develop PD pathologic changes: a second case report.
        Mov Disord. 2008; 23: 2303-2306
        • Lebouvier T.
        • Chaumette T.
        • Damier P.
        • Coron E.
        • Touchefeu Y.
        • Vrignaud S.
        • et al.
        Pathological lesions in colonic biopsies during Parkinson's disease.
        Gut. 2008; 57: 1741-1743
        • Leentjens A.F.
        • Van den Akker M.
        • Metsemakers J.F.
        • Lousberg R.
        • Verhey F.R.
        Higher incidence of depression preceding the onset of Parkinson's disease: a register study.
        Mov Disord. 2003; 18: 414-418
        • Li J.Y.
        • Englund E.
        • Holton J.L.
        • Soulet D.
        • Hagell P.
        • Lees A.J.
        • et al.
        Lewy bodies in grafted neurons in subjects with Parkinson's disease suggest host-to-graft disease propagation.
        Nat Med. 2008; 14: 501-503
        • Logroscino G.
        • Sesso H.D.
        • Paffenbarger Jr., R.S.
        • Lee I.M.
        Body mass index and risk of Parkinson's disease: a prospective cohort study.
        Am J Epidemiol. 2007; 166: 1186-1190
        • Markesbery W.R.
        • Jicha G.A.
        • Liu H.
        • Schmitt F.A.
        Lewy body pathology in normal elderly subjects.
        J Neuropathol Exp Neurol. 2009; 68: 816-822
        • Mayeux R.
        • Stern Y.
        • Cote L.
        • Williams J.B.
        Altered serotonin metabolism in depressed patients with Parkinson's disease.
        Neurology. 1984; 34: 642-646
        • Mendez I.
        • Vinuela A.
        • Astradsson A.
        • Mukhida K.
        • Hallett P.
        • Robertson H.
        • et al.
        Dopamine neurons implanted into people with Parkinson's disease survive without pathology for 14 years.
        Nat Med. 2008; 14: 507-509
        • Miasnikov A.A.
        • Chen J.C.
        • Weinberger N.M.
        Behavioral memory induced by stimulation of the nucleus basalis: effects of contingency reversal.
        Neurobiol Learn Mem. 2009; 91: 298-309
        • Minguez-Castellanos A.
        • Chamorro C.E.
        • Escamilla-Sevilla F.
        • Ortega-Moreno A.
        • Rebollo A.C.
        • Gomez-Rio M.
        • et al.
        Do alpha-synuclein aggregates in autonomic plexuses predate Lewy body disorders? a cohort study.
        Neurology. 2007; 68: 2012-2018
        • Morgante L.
        • Salemi G.
        • Meneghini F.
        • Di Rosa A.E.
        • Epifanio A.
        • Grigoletto F.
        • et al.
        Parkinson disease survival: a population-based study.
        Arch Neurol. 2000; 57: 507-512
        • Muller C.M.
        • de Vos R.A.
        • Maurage C.A.
        • Thal D.R.
        • Tolnay M.
        • Braak H.
        Staging of sporadic Parkinson disease-related alpha-synuclein pathology: inter- and intra-rater reliability.
        J Neuropathol Exp Neurol. 2005; 64: 623-628
        • Muller T.
        • Woitalla D.
        • Peters S.
        • Kohla K.
        • Przuntek H.
        Progress of visual dysfunction in Parkinson's disease.
        Acta Neurol Scand. 2002; 105: 256-260
        • Nilsson F.M.
        • Kessing L.V.
        • Bolwig T.G.
        Increased risk of developing Parkinson's disease for patients with major affective disorder: a register study.
        Acta Psychiatr Scand. 2001; 104: 380-386
        • Nolano M.
        • Provitera V.
        • Estraneo A.
        • Selim M.M.
        • Caporaso G.
        • Stancanelli A.
        • et al.
        Sensory deficit in Parkinson's disease: evidence of a cutaneous denervation.
        Brain. 2008; 131: 1903-1911
        • Orimo S.
        • Takahashi A.
        • Uchihara T.
        • Mori F.
        • Kakita A.
        • Wakabayashi K.
        • et al.
        Degeneration of cardiac sympathetic nerve begins in the early disease process of Parkinson's disease.
        Brain Pathol. 2007; 17: 24-30
        • Orimo S.
        • Uchihara T.
        • Nakamura A.
        • Mori F.
        • Kakita A.
        • Wakabayashi K.
        • et al.
        Axonal alpha-synuclein aggregates herald centripetal degeneration of cardiac sympathetic nerve in Parkinson's disease.
        Brain. 2008; 131: 642-650
        • Pahapill P.A.
        • Lozano A.M.
        The pedunculopontine nucleus and Parkinson's disease.
        Brain. 2000; 123: 1767-1783
        • Parkkinen L.
        • Kauppinen T.
        • Pirttila T.
        • Autere J.M.
        • Alafuzoff I.
        Alpha-synuclein pathology does not predict extrapyramidal symptoms or dementia.
        Ann Neurol. 2005; 57: 82-91
        • Parkkinen L.
        • Pirttila T.
        • Alafuzoff I.
        Applicability of current staging/categorization of alpha-synuclein pathology and their clinical relevance.
        Acta Neuropathol. 2008; 115: 399-407
        • Ponsen M.M.
        • Stoffers D.
        • Booij J.
        • van Eck-Smit B.L.
        • Wolters E.C.
        • Berendse H.W.
        Idiopathic hyposmia as a preclinical sign of Parkinson's disease.
        Ann Neurol. 2004; 56: 173-181
        • Postuma R.B.
        • Gagnon J.F.
        • Vendette M.
        • Charland K.
        • Montplaisir J.
        Manifestations of Parkinson disease differ in association with REM sleep behavior disorder.
        Mov Disord. 2008; 23: 1665-1672
        • Probst A.
        • Bloch A.
        • Tolnay M.
        New insights into the pathology of Parkinson's disease: does the peripheral autonomic system become central?.
        Eur J Neurol. 2008; 15: 1-4
        • Rodgers R.J.
        • Halford J.C.
        • Nunes de Souza R.L.
        • Canto de Souza A.L.
        • Piper D.C.
        • Arch J.R.
        • et al.
        Dose–response effects of orexin-A on food intake and the behavioural satiety sequence in rats.
        Regul Pept. 2000; 96: 71-84
        • Ross G.W.
        • Abbott R.D.
        • Petrovitch H.
        • Tanner C.M.
        • Davis D.G.
        • Nelson J.
        • et al.
        Association of olfactory dysfunction with incidental Lewy bodies.
        Mov Disord. 2006; 21: 2062-2067
        • Rub U.
        • Del Tredici K.
        • Schultz C.
        • Ghebremedhin E.
        • de Vos R.A.
        • Jansen S.E.
        • et al.
        Parkinson's disease: the thalamic components of the limbic loop are severely impaired by alpha-synuclein immunopositive inclusion body pathology.
        Neurobiol Aging. 2002; 23: 245-254
        • Schenck C.H.
        • Bundlie S.R.
        • Mahowald M.W.
        Delayed emergence of a parkinsonian disorder in 38% of 29 older men initially diagnosed with idiopathic rapid eye movement sleep behaviour disorder.
        Neurology. 1996; 46: 388-393
        • Sethi K.
        Levodopa unresponsive symptoms in Parkinson disease.
        Mov Disord. 2008; 23: S521-S533
        • Shah M.
        • Deeb J.
        • Fernando M.
        • Noyce A.
        • Visentin E.
        • Findley L.J.
        • et al.
        Abnormality of taste and smell in Parkinson's disease.
        Parkinsonism Relat Disord. 2008;
        • Shibata M.
        • Morita Y.
        • Shimizu T.
        • Takahashi K.
        • Suzuki N.
        Cardiac parasympathetic dysfunction concurrent with cardiac sympathetic denervation in Parkinson's disease.
        J Neurol Sci. 2009; 276: 79-83
        • Silveira-Moriyama L.
        • Guedes L.C.
        • Kingsbury A.
        • Ayling H.
        • Shaw K.
        • Barbosa E.R.
        • et al.
        Hyposmia in G2019S LRRK2-related Parkinsonism: clinical and pathologic data.
        Neurology. 2008; 71: 1021-1026
        • Stiasny-Kolster K.
        • Doerr Y.
        • Moller J.C.
        • Hoffken H.
        • Behr T.M.
        • Oertel W.H.
        • et al.
        Combination of ‘idiopathic’ REM sleep behaviour disorder and olfactory dysfunction as possible indicator for alpha-synucleinopathy demonstrated by dopamine transporter FP-CIT-SPECT.
        Brain. 2005; 128: 126-137
        • Sutcliffe J.G.
        • de L.L.
        The hypocretins: excitatory neuromodulatory peptides for multiple homeostatic systems, including sleep and feeding.
        J Neurosci Res. 2000; 62: 161-168
        • Thorpe A.J.
        • Mullett M.A.
        • Wang C.
        • Kotz C.M.
        Peptides that regulate food intake: regional, metabolic, and circadian specificity of lateral hypothalamic orexin A feeding stimulation.
        Am J Physiol Regul Integr Comp Physiol. 2003; 284: R1409-R1417
        • Tolosa E.
        • Compta Y.
        • Gaig C.
        The premotor phase of Parkinson's disease.
        Parkinsonism Relat Disord. 2007; 13 Suppl: S2-S7
        • Verbaan D.
        • Marinus J.
        • Visser M.
        • van Rooden S.M.
        • Stiggelbout A.M.
        • van Hilten J.J.
        Patient-reported autonomic symptoms in Parkinson disease.
        Neurology. 2007; 69: 333-341
        • Waseem S.
        • Gwinn-Hardy K.
        Pain in Parkinson's disease. Common yet seldom recognized symptom is treatable.
        Postgrad Med. 2001; 110 (46): 33-40
        • Weiss F.
        • Koob G.F.
        Drug addiction: functional neurotoxicity of the brain reward systems.
        Neurotox Res. 2001; 3: 145-156
        • Yagi H.
        • Akiguchi I.
        • Ohta A.
        • Yagi N.
        • Hosokawa M.
        • Takeda T.
        Spontaneous and artificial lesions of magnocellular reticular formation of brainstem deteriorate avoidance learning in senescence-accelerated mouse SAM.
        Brain Res. 1998; 791: 90-98