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PERCEPTION AND READING
N/A
9
Science
Professional
12/15/2010

Additional Science Flashcards

 


 

Cards

Term
4 consecutive subprocesses of reading
Definition

1) imaging by optics of the eye

2) control of eye movements

3) word recognition in a single eye pause

4) integration across eye pauses

Term
Eye parameters that affect reading
Definition

pupil size,

lens transparency,

accommodation,

convergence

Term
External factors that affect reading ability
Definition

illumination

reading distance

letter size and font

magnification

Term
Word recognition in a single pause
Definition

pick up info best around fovea,

asymmetric - process lett info to right of fixation better than to the left,

much better with isolated material than with letters grouped together,

lateral interactions (masking) influence detection of letters, overlap of consecutive visual reading fields

Term
reading is facilitated by effects of overdetermination/redundancy in:
Definition

-letters

-words

-grammatical sentences

Term

Evidence for Phonemic Recoding Hypothesis:

translationg of visual material into sound bases cognition

Definition

1) phonemic similarity effects reaction time

ex. brane or brain

2) people make errors with silent letters

3)suppression of lip movements

4) dyslexics have problems pronouncing non-words like widge

Term
Dyslexia
Definition

difficulty in learning to read despite conventional instruction, adequate intelligence and socio-cultural opportunities.

 

May show: esophoria, convergence insufficiency, saccadic jerks, poor fixation

Term
damage to posterior cortex
Definition

- associated w/ naming deficits

- problems understanding serial order of things

- problems integrating info from different senses together

- problems w/ visual discrimination

-problems understanding things with fingers

Term
damage to pre-frontal cortex
Definition

-problems speaking

-problems with syntax

- attention problems

-inability to switch attention

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