Neuropsychology Fundamentals (Dr Feifer) Flashcards

1
Q

Four Lobes of Cerebral Cortex

A

Occipital, Parietal, Temporal, Frontal

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2
Q

Occipital Lobe

A

Is dedicated to visual processing. Includes the visual cortex where the dorsal (spatial/where) and ventral (visual/what) streams originate. 

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3
Q

Parietal lobe

A

Processes sensory, and spatial information, and is the main receptive area for the sense of touch. It also has areas involved with higher level language processing.

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4
Q

Temporal lobe

A

Houses language and memory functions. It is also involved with auditory and visual processing. 

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5
Q

Frontal lobe

A

Handles executive functions, such as planning, working memory, and self monitoring, as well as reasoning, language, and motor planning functions.

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6
Q

Basal ganglia

A

Control of voluntary motor movements, procedural, learning, routine behaviors, cognition, and emotion. 

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7
Q

Limbic system

A

Includes the amygdala, singular cortex, hippocampus, and hypothalamus. 

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8
Q

Amygdala

A

Primarily responsible for fear conditioning and processing emotional responses. Stimulates fight or flight responses. Also involved with memory processing and decision-making. 

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9
Q

Anterior Cingulate Cortex (Medial Prefrontal Cortex)

A

Directs attention, inhibits responses, and plans a behavioral response. Other responsibilities include cognition and emotion, as well as modulating ambiguity. 

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10
Q

Posterior Cingulate Cortex

A

Processes, episodic memories and may be related to working memory performance

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11
Q

Hippocampus

A

Crucial in spatial navigation and the formulation and consolidation of memories. There are two hippocampi, one on each side of the brain. 

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12
Q

Brian basis of Dysphonic dyslexia

A

A deficit in phonology, which is housed in the temporal-parietal gradient along the supramarginal gyrus

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13
Q

Brain basis of surface dyslexia

A

A deficit in orthographical processing, housed in the angular gyrus, a parietal region involved in symbol system processing.

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14
Q

Brain basis of mixed dyslexia

A

Impairment in phonological and orthographical processing skills. Deficit in the inferior parietal lobes, involving both the supramarginal gyrus and angular gyrus.

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15
Q

Comprehension deficits

A

Mechanical aspect of reading is normal, but difficulty persists deriving meaning from print. Deficits may include poor language and vocabulary skills, limited working memory, or poor executive functioning skills that facilitate encoding and retrieval of verbal information. 

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16
Q

Verbal dyscalculia

A

Deficit in the automatic retrieval of number facts stored in a linguistic code. Brain region responsible for this function is the angular gyrus. 

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17
Q

Procedural dyscalculia

A

Difficulty recalling the algorithm or sequence of steps when performing longer math operation, such as multiplication and division. The left prefrontal region is responsible for sequential ordering of symbolic information. 

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18
Q

Semantic dyscalculia

A

Deficits in magnitude representations, understanding, higher level, math, concepts, and transcoding, difficult math operations into a base 10 format. Primary brain region is the horizontal interparietal sulcus.

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19
Q

Graphomotor dysgraphia

A

Motor skill deficits involved in the planning organization, guidance, and automaticity of motor movements that physically transcribe thoughts and ideas on paper. 

20
Q

Dyslexic (spelling) dysgraphias (3 subtypes) 

A

A. Dysphonic dysgraphia - hinders the ability to differentiate sounds in words. The speller fails to represent every sound with a symbol.

B. Surface dysgraphia - impact the ability to spell phonetically, irregular words due to difficult difficulties, understanding, orthographic spelling patterns and conjuring up a visual image of the printed word form.

C. Mixed dysgraphia - the most severe type of spelling disorder characterized by a combination of poor phonological processing skills, poor orthographic skills, limited working memory, and bizarre spelling errors

21
Q

Executive dysgraphias

A

A wide range of written language deficits that stem primarily from executive dysfunctions, including difficulty planning and organizing ideas, poor grammar and syntax, lack of a topic sentence, little elaboration, or detail, and poor understanding of how words and phrases can be combined. 

22
Q

Cerebral structures of dysgraphia (written expression, and spelling depend on numerous spring structures working in concert)

A

A. Supramarginal gyrus - spelling by sound

B. Angular gyrus - visualizing words

C. Limbic system - emotional connectivity to the subject matter.

D. Anterior cingulate gyrus - focusing attention, inward toward internal resources, thoughts and ideas.

E. Hippocampus - retrieval of stored memories

F. Inferior parietal lobes - higher level thinking and problem-solving

G. Frontal lobe - syntactical arrangement of thoughts and ideas in a linguistic manner

H. Dorsolateral prefrontal cortex - Organization and planning of thoughts, self-monitoring responses, holding ideas in working memory, sustaining attention, initiating task, and maintaining motivational persistence

I. Pre-motor cortex - planning motor responses

J. Motor cortex - execution of metric act of writing

K. Basal ganglia - automaticity of handwriting

L. Cerebellum - motor coordination and sequencing

23
Q

Focused attention

A

The anterior cingulate direct attention to a particular stimulus while the amygdala registers its emotional attractiveness or aversiveness 

24
Q

Sustained attention

A

Vigilance is maintained by right inferior parietal lobe

25
Q

Shifting attention

A

Dorsolateral prefrontal cortex shifts attention from one stimulus to another.

26
Q

Arousal

A

Brainstem regions, including the reticular formation of the midbrain and the locus coeruleus of the pins, are responsible for activating the brain when an external stimulus requires attention.

27
Q

Declarative (conscious) memory

A

Generally stored in the temporal lobe and retrieved by the frontal lobe

28
Q

Nondeclarative (unconscious) memory

A

Habits and procedural memories, often involving the stratum and basal ganglia regions 

29
Q

Spatial memory

A

Memory for time and space house in the superior parietal lobe, hippocampus, globus pallidus, putamen, and ventrolateral thalamus.

30
Q

Episodic memory

A

Memory for personal experiences; activated by frontal cortices and posterior cingulate gyrus. 

31
Q

Working memory

A

The ability to hold and manipulate information; mediated by the dorsolateral prefrontal cortex.

32
Q

Cognitive executive functions - dorsolateral circuit

A

Primary projections go through the basil ganglia, helps to organize a behavioral response when solving complex problems. Other functions include planning and organization, time management, self monitoring, and effortful control of attention.

33
Q

Emotional executive functions: orbitofrontal cortex

A

Mediates empathetic, civil, and socially appropriate behavior 

34
Q

Emotional executive functions: ventrolateral prefrontal cortex

A

Situated adjacent to the orbitofrontal cortex, it is responsible for three facets of social: emotional valuation of stimuli, response, inhibition, and generation and use of behavioral rules in different contexts. It is also involved when taking another perspective on an emotional event (theory of mind).

35
Q

Emotional executive functions: anterior cingulate cortex

A

Links attention capabilities with a given cognitive task, diverts, conscious energies toward internal cognitive events, or external stimuli, maintains a motivational state, deals with ambiguous situations, and emotional flexibility. 

36
Q

Visual spatial processing: left superior parietal lobe

A

Stores over learned visual spatial tasks, such as right versus left or directionality

37
Q

Visual spatial processing: right superior parietal lobe

A

Involved with mental rotation tasks for novel stimuli.

38
Q

Visual spatial processing: lingual gyrus

A

Color perception

39
Q

Visual spatial processing: fusiform gyrus

A

Facial perception in right hemisphere

40
Q

Visual spatial processing: extrastriatal cortex

A

Visual association cortex in occipital lobes

41
Q

Oral language development: superior temporal gyrus

A

Modulates phonemes, the fundamental sounds of a language

42
Q

Oral language development: frontal lobes

A

Modulates syntax, the combinations of words in phrases and sentences, and the sequential arrangement of language. Also retrieve specific words.

43
Q

Oral language development: temporal lobes

A

Stores the lexicon, which is a collection of all the words in a given language

44
Q

Oral language development: Broca’s area

A

Modulates the production of speech

45
Q

Oral language development: Wernicke’s area

A

Modulates the understanding of speech

46
Q

Oral language disorders: Broca’s Aphasia

A

A type of nonfluent aphasia with impaired syntax and impaired comprehension of speech, that hinders speech production due to lesions in the anterior portion of the left hemisphere.

47
Q

Oral language disorders: Wernicke’s Aphasia

A

A type of aphasia with fluent speech, but poor language comprehension. Specific damage is usually in the posterior portion of the left hemisphere. The person often produces random jargon or nonsensical words and phrases when attempting to speak.