Question
In: Biology
Imagine that humans will someday evolve to have brains that are more resilient to Traumatic Brain...
Imagine that humans will someday evolve to have brains that are more resilient to Traumatic Brain Injuries (TBI) than those we have today. What anatomically and/or cellular changes might need to occur in the human brain for it to confer this resilience?
Solutions
gladiator answered 3 months agoRelated Solutions
The brain volumes (cm cubedcm3) of 20 brains have a mean of 1059.21059.2 cm cubedcm3 and...
The brain volumes
(cm cubedcm3)
of 20 brains have a mean of
1059.21059.2
cm cubedcm3
and a standard deviation of
128.9128.9
cm cubedcm3.
Use the given standard deviation and the range rule of thumb to
identify the limits separating values that are significantly low or
significantly high. For such data, would a brain volume of
1287.01287.0
cm cubedcm3
be significantly high?
The brain volumes (cm cubedcm3) of 20 brains have a mean of 1155.11155.1 cm cubedcm3 and...
The brain volumes
(cm cubedcm3)
of 20 brains have a mean of
1155.11155.1
cm cubedcm3
and a standard deviation of
121.5121.5
cm cubedcm3.
Use the given standard deviation and the range rule of thumb to
identify the limits separating values that are significantly low or
significantly high. For such data, would a brain volume of
1378.11378.1
cm cubedcm3
be significantly high?
Significa
Lacey is interested in determining whether people who have experienced a traumatic event experience more sleep...
Lacey is interested in determining whether people who have
experienced a traumatic event experience more sleep disturbances
than people who have not experienced such an event. She distributes
a sleep disturbance survey to 103 individuals wh o experienced a
traumatic event and to 98 people who had never experienced a
traumatic event. If the mean score on the survey was 13.20 ( s =
3.51) for the trauma group and 8.10 ( s = 2.17 ) for the non-trauma
group,...
A polymodal brain region is an association are whose neurons have receptive fields defined by MORE...
A polymodal brain region is an association are whose neurons
have
receptive fields defined by MORE THAN ONE sensory modality (e.g.,
vision,
somatosensations or vision/hearing, etc.) Discuss the adaptive
significance of the
expansion of the polymodal regions PG and STS in humans compared to
other
primates.
Male mammals have more circulating testosterone than they do circulating estrogens; however, the brain is “masculinized”...
Male mammals have more circulating testosterone than they do
circulating estrogens; however, the brain is “masculinized” by
estradiol (an estrogen). Briefly describe how this takes place, and
why female brains aren’t masculinized.
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