TBI TBI Cognitive & Behavioral Outcomes

Question 1

Which cognitive domain is most commonly impaired following mild TBI?

Accepted Answer

Attention and processing speed

Answer

Long-term memory

Answer

Language comprehension

Answer

Spatial navigation

Question 2

What is 'post-traumatic amnesia' (PTA) and why is its duration clinically important?

Accepted Answer

Period of confusion and inability to form new memories after injury; predicts severity and prognosis

Answer

Inability to recall events before the injury; predicts emotional outcomes

Answer

Memory loss for personal identity; indicates frontal lobe damage

Answer

Forgetting medication names; guides pharmacological planning

Question 3

Frontal lobe damage from TBI most commonly results in which behavioral changes?

Accepted Answer

Disinhibition, impulsivity, poor executive function, and emotional dysregulation

Answer

Impaired vision and hearing

Answer

Loss of long-term memories

Answer

Inability to recognize faces

Question 4

Which standardized tool is used to assess post-traumatic amnesia and track cognitive recovery?

Accepted Answer

Westmead PTA Scale

Answer

Berg Balance Scale

Answer

Functional Independence Measure

Answer

ASIA Impairment Scale

Question 5

Pseudobulbar affect (PBA) after TBI is characterized by which symptom pattern?

Accepted Answer

Involuntary, uncontrollable episodes of laughing or crying disproportionate to mood

Answer

Inability to swallow

Answer

Expressive aphasia

Answer

Bilateral facial weakness

Question 6

Depression following TBI is attributed to which combination of factors?

Accepted Answer

Both neurobiological changes (limbic/prefrontal disruption) and psychosocial stressors

Answer

Only psychological adjustment to disability

Answer

Only premorbid personality disorders

Answer

Solely medication side effects