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59 Cards in this Set

  • Front
  • Back
language:
rule governed creativity.
5 systems of language:
phonology, morphology, syntax, lexical, semantics, discourse.
writing system:
visual representation of languages.
brain imaging studies are supported by:
a fronto-temporal network (frontal operculum, posterior portions of Broca's area, and superior temporal gyrus)
frontal operculum and anterior portions of the STG:
subserve processes of local structure building.
posterior portions of the STG plays a role in:
integration of syntactic and semantic information
Broca's area:
processes complex structures
Penfield & Rasmussen:
from Montreal, did experiment with kids with seizure.
behavioral changes after split-brain surgery:
visual info presented to one half of the brain was not available to the other half.
Patients not able to name objects presented in left hand.
Cannot tactile stimuli presented to the RH because the sensory info is disconnected from the left (speech) hemisphere.
lesions in RH result in:
prosodic impairments, language deficits, discourse-pragmatic deficits & theory of mind deficits.
aspects of prosodic production and comprehension may be impaired ______________________.
simultaneously or independently of one another.
production and comprehension deficits can occur ________.
in both linguistic & emotional (affective) prosody, Latter is more prominent in RH damage.
RH damage is a neurological disorder that can result in _____.
prosodic impairments
gender:

females tend to be _____ fluent than males in language use.
more
______ tend to be better than ______ at spatial analysis.
(chess, music composition)
males/females.
the _____ hemisphere in bilinguals may share language functions with the LH to a greater extent than monolinguals.
RH
who did Electrical stimulation studies?
Ojemann & Whitaker.
orthographic input lexicon and posterior temporal & parietal regions:
BA 37 & 39
Lexical-semantics and Wernicke's area:
BA 22
Phonological output lexicon (at least for nouns) and posterior middle and inferior temporal gyri:
(BA 37)
OPC mechanism and the left angular gyrus:
BA 39
supra marginal gyrus:
BA 40
spelling cognitive architecture:
organization of the various mental operations that are involved in a skill.
Includes functions of mental processes and their relationships.
spelling Cognitive functions:
different from other tasks, a mental process that can be used in a number of different tasks. No one-to-one relationship b/t tasks and cognitive functions.
cognitive architecture of spelling includes:
lexical processes
sub-lexical processes
post-lexical processes.
info on neural substrate of lexica;-semantic spelling:
lesion studies, functional neuroimaging studies.
semantic agraphia:
spelling dysfunctional. lesions in frontal extrasylvian (temporo-parietal) cortical areas.
Normal:
activation seen in inferolateral temporal and posterior parietal cortex and inferior prefrontal cortex.
what is semantic agraphia?
damage to the semantic system or impaired transmission of information b/t semantic system and orthographic output lexicon.
symptoms:
spontaneous writing and written naming affected.
writing to dictation relatively preserved.
difficulty in writing homophones to dictation b/c of inability to use contextual information.
Lesion sites:
angular gyrus and/or posterior lateral and ventral temporal cortex.
symptoms:
spelling of ambiguous words impaired.
spelling of regular and non-words preserved.
phonologically plausible errors.
frequency effect.
phonological agraphic closely related to:
deep dysgraphia.
phonological agraphia symptoms:
unable to spell unfamiliar and non-words. real word spelling preserved. problems with abstract words, bound morphemes.
phonological agraphia lesion sites:
perisylvian language zone-Wernicke's area, SMG & Broca's area.
graphemic buffer:
WM system that temporarily holds abstract orthographic representation.
graphemic buffer symptoms:
loss of info relevant to serial order & identity of stored graphemes (leading to substitutions, omissions, additions, transpositions).
graphemic buffer lesion sites:
damage to left parietal cortex.
executive functions:
a large array of complex oversight functions such as deciding among alternative courses of action, inhibiting irrelevant information, reasoning through complex problems, planning for future.
executive control systems:
will provide alternative response patterns to the default, reflexive level responses.
dorsolateral prefrontal systems:
initiating and shifting behavior, inhibiting behavior, stimulating behavioral consequences.
ventromedial prefrontal systems:
inhibition of socially inappropriate behavior, sensitivity to consequences of actions.
parietal control systems:
association b/t sensation and action, supports intentionality, visual attention.
cingulate control system:
conflict-resolution & monitoring.
basal ganglia control system:
provides direct link b/t stimuli and behavior.
functions of frontal lobes:
motor functions, actions & plans.
memories of future.
novelty and routine.
ambiguity and actor-centered cognition.
working memory.
theory of mind.
metacognition:
knowledge about all cognitive processes, monitoring of cognitive activity.
executive functions:component processes:
volition, planning, purposive action, effective performance.
A.R. Luria's ground work for defining EF:
system in charge of intentionality, formation of goals, plans of action subordinates to goals, ID of goal-appropriate cognitive routines, sequential access to routines, temporally ordered transition from one routine to another, eval of outcome of our actions.
A.R. Luria's 2 broad categories of cognitive behavior linked to EF:
1.behavior guided by internal representations:formulation of plans & guiding behavior according to the plans.
2.capacity to "switch gears" when something unexpected happens.
frontal lobe functions: memories of future
form goals, action according to set goals, mental images of future must become content of memory, future memories will guide behavior.
frontal lobe functions: novelty and routine:
as familiarization with task increases FL involvement decreases.
frontal lobe functions: ambiguity and actor-centered cognition.
2 types of decisions (veridictal-intrinsically correct (T or F) & adaptive actor-centered-not intrinsically correct.
Goldberg's cognitive bias test:
response selection task based on preference rather than correctness.
frontal libe functions: working memory and working with memory:
memory involves selection. WM constantly and rapidly changing content.
frontal lobe functions: theory of mind & intelligence:
executive intelligence
executive intelligence:
used to gain insight into & anticipate the behavior, motives, & intentions of other people
theory of mind:
capacity to form internal representation of the other person's mental life.
what is important for TOM?
medial & lateral frontal cortex activations.