COURS 1 - PT Flashcards

Introduction

1
Q

% cerveau = perception

A

2/3 (survie = contact avec environ)

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2
Q

Stimulus DISTAL vs PROXIMAL (ex : chq sens)

A

OBJETS vs ÉNERGIE émise par ces objets qui stimule récepteurs (réflexion lumiere, elements chimiques, pression sur peau, vibrations air)

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3
Q

TRANSDUCTION = ?

A

récept. - transductiion - influx nerveux (énergie convertie)

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4
Q

Comment neurones simples à une telle complexté perceptive?? (2)

A

Traitement de l’info
+
Division travail (vision = 1/3 cerveau)

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5
Q

Perception = contact direct ou indirect?

A

INDIRECT (= erreurs = illusions!!)

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6
Q

Traitement ASCENDANT vs descendant

A

données sensorielles (signal) vs exp.conn.attentes

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7
Q

3 déterminants de perception

A
  1. propriétés environn.
  2. propriétés récepteurs senso et SNC
  3. Conn, attentes, exp.

*relation entre chq!

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8
Q

Applications (perception) x4

A

troubles perceptions, eval
art
IA
adapter environn.

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9
Q

2 GRANDES APPROCHES

A

physio + cmptale

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10
Q

2 approches cmptales + diff.

A

COGNITIVE (descendant : effet conn. sur perception)

PSYCHOPHYSIQUE (ascendant : relation exp. percept & paramètres physiques de stimul.)

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11
Q

3 grandes questions de APPROCHE PSYCHOPHYSIQUE

A

Seuil absolu
Seuil différentiel
Relation entre intensité physique/perçue

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12
Q

SEUIL ABSOLU (déf + méthodes/seuils)

A
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13
Q

SEUIL DIFFÉRENTIEL (déf + méthodes + loi)

A
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14
Q

RELATION INTENSITÉ PHYSIQUE/PERÇUE (déf + méthode + loi)

A
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15
Q

Loi de Weber = ? + parametre + résumé

A
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16
Q

Loi de puissance de Stevens = ? + parametre + 3 types réponses

A
17
Q

Courbe ROC = ?

A
18
Q

Théorie de détection du signal (2 principes + 4 rép. + 2 paramètres)

A