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Title: Mthodes de recherche en psychologie cognitive


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Méthodes de recherche en psychologie cognitive
et neuropsychologique (Psy 6022) par Franco
Lepore Ph.D.
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Phinneas Gage
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Figure 2 Lateral photographs and tracings of
left (solid line) and right (dashed line)
superimposed hemispheres of a typical control
male brain (1, 2, 3) and the brain of Einstein
(4, 5, 6) Witelson et al., 1999
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Développement néo-natal concept de période
critique
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Figure Ségrégation des colonnes de dominance
oculaire au niveau du cortex strié du chat (tiré
de Bear, Connors et Paradiso, 1997, p.503)
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.Est-ce que la réorganisation concerne seulement
lorganisme en développement ou se
retrouve-t-elle aussi chez ladulte?
  • Les synapses
  • ou liens entre les neurones se développent selon
    un ordre précis

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  • Elbert, T., Flor, H., Birbaumer, N., Knecht, S.,
    Hampson, S.,Taub, E. (1994). Extensive
    reorganization of the somatosensory cortex in
    adult humans after nervous system injury.
    Neuroreport, 5, 2593-2597.

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Figure 1. The area or somatosensory cortex
(black) in a monkey before (A) and after (B)
controlled tactile stimulation. Reprinted with
permission.21
Jenkins WM, Merzenich MM, Ochs MT, Allard R,
Guic-Robles E. Functional reorganization of
primary somatosensory cortex in adult owl monkeys
after behaviorally controlled tactile
stimulation. J Neurophysiol. 19906882104.
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Binaural
Monaural
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-58
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Stimuli bruits blancs (30 ms) Intensité 40 dB
SPL (ref 2µPa) N 200 (50 stimuli / haut-parleur)
Ampli
32 canaux Vitesse déchantillonage 256
Hz Bande-passante 0.1-100 Hz
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N1
P3
  • Leclerc, St-Amour, Lavoie, Lassonde,
  • Lepore (2000) Neuroreport

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Part B-Animal studies
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Mais quen est-il des aveugles tardifs?
Voss, Gougoux, Lassonde, Zatorre, Lepore (2005)
NeuroReport
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C-Fos Immunohistochemistry
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