Lecture 11, 12 Flashcards Preview

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Flashcards in Lecture 11, 12 Deck (80)
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1
Q

How is mild traumatic brain injury (mTBI) diagnosis based on?

A

Based on the initial neurological signs and symptoms at the time of the event.

2
Q

What are the neurological signs and symptoms used to diagnose mTBI?

A
  • Loss of consciousness, altered mental status, amnesia or confusion
  • Loss of consciousness <30 minutes
  • Glasgow Coma Scale score of 13-15
  • Post-traumatic amnesia ≤ 24 hours
3
Q

What are the categories of mTBI?

A

Sports-related concussion
Mixed-mechanism mTBI
Military-related concussion

4
Q

What is a Mixed-mechanism mTBI?

A

falls, motor vehicle accident, assaults, etc

5
Q

What is a military-related concussion?

A

blast-related, blunt force trauma, combination

6
Q

What occurs during a concussion?

A
  • ionic balance of the neurons is disrupted
  • excess amounts of glutamate (neurotransmitter) are released
  • toxic synapses & slowed communication between neurons (caused by the combination of dysfunction in sodium-potassium pump and too much glutamate)
7
Q

What happens when there is a disruption in ionic balance of the neurons?

A

Potassium rushes OUT of cells

Sodium and calcium flood INTO cells

8
Q

Brain temporarily goes into a _____ state consuming lots of energy and resources quickly. Followed by a __-__ day decrease in cerebral blood flow and hypometabolism.

A

Hyperactive; 7-10

9
Q

What microstructural changes occur during mTBI?

A

diffuse axonal injury
edema
inflammation

10
Q

Describe diffuse axonal injury.

A
  • dysfunction that can occur in the frontal lobe, cerebellum, and corpus callosum
  • unmyelinated cells are susceptible to damage
11
Q

What is the acute stage of mTBI?

A

7 days post injury

12
Q

T/F: CT and MRI scans are insensitive to neuro-pathology of mTBI (e.g., diffuse axonal injury)

A

True

13
Q

What are the tree promising scans sensitive to the neuro-pathology of mTBI?

A

fMRI: functional magnetic resonance imaging
PET: positron emission tomography
SPECT: single-photon emission computed tomography

14
Q

T/F: There are no current, definitive biomarkers, neuroimaging procedures, or neuropsychological tests that can diagnose remote mTBI events

A

True

15
Q

What is SPECT?

A

single-photon emission computed tomography

16
Q

What is PET?

A

positron emission tomography

17
Q

What is fMRI?

A

functional magnetic resonance imaging

18
Q

T/F: Lack of positive imaging findings invalidates diagnosis of mTBI.

A

False. does NOT

19
Q

Clinical diagnosis of mTBI is based on what?

A

history of a traumatic injury resulting in alteration of consciousness

20
Q

Acute and persistent symptoms fall within 3 categories:

A

physical
emotional
cognitive

21
Q

List 5 physical symptoms.

A
headaches
sleep disturbance
dizziness
balance problems
fatigue
vision changes, light sensitivity
tinnitus
22
Q

List 3 emotional symptoms.

A
irritability
anxiety
depression
post-traumatic stress
mood swings
23
Q

List 3 cognitive-communication symptoms.

A
  • concentration and attention problems (processing speed)
  • memory and learning
  • executive function
  • social cognition and social communication
  • word finding difficulties
24
Q

_____ difficulties include: Maintaining attention, maintaining train of thought, and focusing with both verbal and visual attention

A

Functional

25
Q

_____ is a precursor to memory and learning.

A

Attention

26
Q

Slow information processing includes:

A
  • evident on timed tasks, verbal fluency measures
  • processing conversations
  • following directions
  • note-taking
  • following complex, multistep instructions
27
Q

____ working memory impacts language comprehension. 79% prevalence in persons with mTBI.

A

Verbal

28
Q

Impairments in verbal memory encoding and learning efficiency contributes to ______ learning difficulties.

A

academic

29
Q

______ memory can negatively impact quality of life.

A

episodic

30
Q

List 3 things involved in social communication.

A
  • Requires rapid evaluation of context and listener •Prior to initiating an appropriate topic
  • Providing sufficient and relevant, but not excessive details
  • Controlling utterance length•Allowing others to comment
  • Using both verbal and nonverbal methods to convey stated and implied meaning
31
Q

What is the primary language symptom?

A

word finding problems

32
Q

Audiologist assess for _____ _____ ______ _______

A

central auditory processing disorder (CAPD)

33
Q
Run-on sentences
Fragments
Grammatical errors
Semantic errors
Agreement errors for verbs and pronouns 

are all _____ and _________ errors.

A

Micro; macrolinguistic

34
Q

T/F: Dysarthria is not seen in mTBI.

A

True

35
Q

T/F: Stuttering reported in mTBI is likely to be neurogenic.

A

False; unlikely

36
Q

What are the cognitive-communication domains?

A
attention
processing speed
working memory
memory and learning
executive function
social cognition/communication
receptive language
expressive language 
speech
37
Q

Chronic Traumatic Encephalopathy (CTE) is presumed to be a condition where _________________ tau protein accumulates in the brain. Causing progressive deterioration of neurologic function resulting in _____.

A

hyperphosphorylated;

dementia

38
Q

In CTE tau accumulates throughout the brain including the: ____, ____, _____ _____.

A

hippocampus
amygdala
cortical areas

39
Q

Diagnosis of CTE are based on what:

A

post-mortem brain pathology and personal reports by family and friends.

40
Q

List the symptoms attributed to CTE.

A
  • decreased memory and executive function
  • aggression, depression, erratic behaviors
  • changes in motor function and balance problems
41
Q

What are long-term consequences of repeated mTBI?

A

depression and cognitive deficits later in life

42
Q

Repeated concussions may result in _____ cognitive deficits and psychosocial emotional issues.

A

chronic

43
Q

Military-related mTBI is ____ likely to have chronic, persisting symptoms than sports-related concussions

A

more

44
Q

T/F: Blast injuries causes an instantaneous rise in atmosphere pressure, that is much higher than normal for humans to withstand .

A

True

45
Q

What are the 4 mechanisms of blast injuries?

A

Primary
Secondary
Tertiary
Quaternary

46
Q

Define the 4 mechanisms of blast injuries (primary, secondary, tertiary, and quaternary)

A

Primary- Result directly from the explosion
Secondary- Result from the blast fragments or other objects flying through the air
Tertiary- Result when an individual is thrown by the force of the blast
Quaternary- All other injuries or complications; including burns, toxic inhalation, inhalation of coal or asbestos dust, exposure to radiation, asphyxiation

47
Q

Blast-plus-impact TBI is exposure to ______ blasts and ______-related blows.

A

multiple; impact

48
Q

Blast-plus-impact TBI results in a complex combination of impairments in: _______, _______, and _____-____ functioning.

A

physical, cognitive, psycho-social

49
Q

An explosive pressure wave causes ______ and _____ damage to the human auditory system causing hearing loss and tinnitus

A

peripheral; central

50
Q

What hearing loss is the most prevalent type of auditory impairment?

A

permanent sensorineural hearing loss

51
Q

What causes a conductive hearing loss?

A

Ruptured tympanic membrane

52
Q

Military veterans with PTSD and depression have a high risk for self-reported ______ ______, even in the absence of mTBI.

A

cognitive dysfunction

53
Q

In acute mTBI, a comprehensive assessment is deferred for a minimum of __ weeks and up to __ months based on symptom resolution studies.

A

2; 3

54
Q

Purpose of comprehensive assessment in acute mTBI is to identify and describe underlying strengths and weaknesses of:

A

cognitive skills
language skills
social skills
effects of cognitive communication impairments on individual’s performance in daily activities and participation

55
Q

What are the underlying strengths and weaknesses related to cognitive domains in mTBI?
attention, _______ processing, memory, executive function, _____ ______ skills.

A

information; social communication

56
Q

T/F: Many formal standardized assessments are not sensitive enough to postconcussive impairments. Defer to neuropsychological evaluation when available

A

True

57
Q

T/F: Goal of cognitive therapy is to treat functional concerns observed by the clinician.

A

F. functional concerns described by the patient

58
Q

Name 2 symptom checklists that can be used with a patient.

A
  • Neurobehavioral Symptom Inventory (NSI)
  • Acute Concussion Evaluation (ACE)
  • Post-Concussion Scale (PCS)
  • Symptom Evaluation portion of Sports Concussion Assessment Tool 5 (SCAT5)
  • Self-Awareness of Deficits Interview
59
Q

What two approaches are there for cognitive communication rehabilitation counseling?

A

Patient-centered approach

Goal attainment scaling (GAS)

60
Q

Name the approach:

  • Engages individual’s participation in goal setting
  • Integrates goal-directed counseling for eliciting behavior change
A

Patient centered approach

61
Q

Name the approach:
•Engages patient in setting direction for his/her therapy
•Establishing personal functional goals that serve as measures of clinical outcomes

A

Goal attainment scaling (GAS)

62
Q

Cognitive communication treatment is: systematic, ______ oriented, ______ activities, and based on assessment and understanding patient’s brain-behavioral deficits.

A

functionally; therapeutic

63
Q

List the three treatment approaches for attention.

A

direct attention training
use of compensatory strategies
education

64
Q

What attention treatments are effective for people with mTBI?

A

treatments that focus on strategies to allocate attention resources (e.g., rehearsal, self-pacing) and reduce anxiety and frustration.

65
Q

The following are interventions for _____ _____
•Increasing awareness and management of temporal demands of tasks
•Compensatory strategies to allocate attention resources and manage flow rate of information •Verbal mediation
•Self pacing
•Self monitoring of mental effort
•Management of secondary emotional reactions during task

A

Processing speed

66
Q

What are facilitation strategies for memory?

A

semantic associations
visual imagery
mnemonic training

67
Q

T/F: Use of external memory strategies and technology has proven effective globally.

A

True

68
Q

What is metacognitive strategy training?

A

Direct instruction to facilitate behavior self-control and self-monitoring task performance

69
Q

What steps are applied in Metacognitive Strategy Training?

A
  • Identify an appropriate goal
  • Anticipate what needs to be done to reach the goal
  • Identify possible solutions to challenges
  • Self-monitor and evaluate progress
  • Modify behavior or strategy use if adequate progress is not being made
  • Self-monitor and evaluate progress through to outcome
  • Review what was successful and unsuccessful
70
Q

Define TBI.

A

An acquired injury to the brain due to an applied force that results in widespread damage to cortical and subcortical structures

71
Q

______ Mechanism of Injury is related to the instantaneous effects of acceleration/deceleration (translational) and rotational forces acting on the skull and brain

A

Primary

72
Q

Secondary mechanism of Injury results from primary mechanism but can occur _____ or ____ later.

A

minutes; days

73
Q

Shearing strain during rotation causes damage to the _____ (rotational forces TBI)

A

cortex

74
Q

List the variety of scales and ways to describe what happens during a TBI

A

Glascow Coma Scale
Post traumatic amnesia
Altered level of consciousness

75
Q
Altered state of consciousness:
coma
vegetative state
\_\_\_\_\_\_ vegetative state
\_\_\_\_\_\_ vegetative state
\_\_\_\_\_\_ conscious state
A

persistent
permanent
minimally

76
Q

List 5 common deficits following TBI.

A
  • Orientation
  • Attention
  • Memory
  • Executive functioning
  • Processing speed
  • Self-awareness
  • Language
  • Pragmatics
  • Dysphagia
  • Motor speech (dysarthria)
  • Hearing
  • Vision
77
Q

Name the globally recognized model for assessing deficits at the impairment, activity, and functioning levels within the recovery continuum.

A

World Health Organization’s Classification of Functioning, Disability, and Health (WHO-ICF)

78
Q

List the the types of assessment for TBI.

A
  • Early assessment
  • Scales and Observational checklists
  • Self-report and Quality of Life measures
  • Standardized Assessment measures
  • Functional Assessment measures
79
Q

Name 3 scales and observational checklists for TBI.

A
  • Ranchos Los Amigos Levels of Cognitive Functioning
  • Functional Independence Measures (FIM Scores)
  • Disability Rating Scale
80
Q

Lecture 12 slide 18

A

.