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Mecanisme cognitive

Mecanisme cognitive. Lab. 6 Asist Dr Mihaela Chraif. Teme lab 7: 23 noiembrie 2009. Geneza reprezentării :a) ontogenetic (Piaget) Geneza reprezentarii: b) procesual Calităţile reprezentărilor Clasificarea reprezentărilor :vizuale, auditive si kinestezice

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Mecanisme cognitive

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  1. Mecanisme cognitive Lab. 6 Asist Dr MihaelaChraif

  2. Teme lab 7: 23 noiembrie 2009 • Geneza reprezentării:a) ontogenetic (Piaget) • Geneza reprezentarii: b) procesual • Calităţile reprezentărilor • Clasificarea reprezentărilor:vizuale, auditive si kinestezice • Individuale, generale, reproductive, de transformare, anticipative

  3. Extragerea insusirilor esentiale pentru perceptie • Reducerea vastei cantitati de informatii la un set de categorii cu care se opereaza mai usor; • Descrierea fizica a obiectulu: o lista cu informatiile necesare pentru reproducerea copleta a obiectuui; • Sunt inlaturate detaliile;

  4. Atentia-selectiva • La nivel de cortex nu se poate procesa toata informatia senzoriala din mediu. • Doar informatia selectata va fi analizata • Stimuli cu intensitate puternica externi; • Stimuli relevanti noua (intern) • http://happy-neuron.com/games/attention/index.php

  5. Efectul STROOP (John Ridley Stroop , 1935)http://psychclassics.yorku.ca/Stroop/ • Stimuli cuvinte: colorate diferit de sensul lor; ROSU verde galben albastru http://clearinghouse.missouriwestern.edu/manuscripts/434.asp MODIFIED STROOP TASK EVALUATING FIFTH GRADERSAMY K. BARNETTPSYCHOLOGYMissouri Western State University Procesarea cuvintelor are loc automat/efortul de recunoasterea a culorii are loc doar la sarcina de a denumi culoarea cromatica cu carte e scris cuvantul

  6. Dyslexia • Brain activation patterns differed significantly between the groups with dyslexic readers showing relative underactivation in posterior regions (Wernicke's area, the angular gyrus, and striate cortex) and relative overactivation in an anterior region (inferior frontal gyrus). These results support a conclusion that the impairment in dyslexia is phonologic in nature and that these brain activation patterns may provide a neural signature for this impairment."

  7. Reprezentarea este procesul de elaborare a imaginii unui obiect în condiţiile absenţei acestuia din câmpul perceptiv, în baza unei experienţe perceptive anterioare.

  8. Boston 2007

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