Families that donated brain specimens received a monetary stipend in compensation

Question 1: Families that donated brain specimens received a monetary stipend in compensation.  

False

Question 2: How many of the 177 football players diagnosed with Chronic Traumatic Encephalopathy (CTE) showed signs of α-synuclein immunopositive Lewy bodies?  [Note: look at total numbers]

43 (24%)

Question 3: Among 84 participants with severe CTE pathology, 75 (89%) had behavioral or mood symptoms or both, 80 (95%) had cognitive symptoms, and _________ had signs of dementia.

71 (85%)

Question 4: What structure(s) is(are)  indicated by the black arrowhead?

Entorhinal cortex and hippocampus

Question 5: What does ptau refer to? 

Phosphorylated tau protein

Question 6: In cases with severe Chronic Traumatic Encephaolpathy (CTE) pathology, accumulations of amyloid-β, α-synuclein, and TDP-43 were common.

True

Question 7: This study lacked a comparison group that is representative of all individuals exposed to American football at the college or professional level.

True

Question 8: How many of the brain samples from individuals who played at least one game in the National Football League (NFL) were diagnosed with Chronic Traumatic Encephalopathy (CTE)?

110 out of 111

Question 9: For those diagnosed with any level of Chronic Traumatic Encephalopathy (CTE), what was the most common cause of death?  [Note: look at total numbers]

Neurodegeneration

Question 10: Which stage of chronic traumatic encephalopathy (CTE) matches this description: 3 or more CTE lesions are found in multiple cortical regions and superficial neurofibrillary tangles are found along the sulcal wall and at gyral crests

Stage II