Using Positron Emission Tomography, Researchers Have Compared the Activity Levels

question 902

Multiple Choice

Using positron emission tomography, researchers have compared the activity levels in the left and right hemispheres of bipolar (manic-depressive) brains and schizophrenic brains and found that activity is

• A) low in the left hemisphere for both bipolar and schizophrenic brains.
• B) low in the right hemisphere for both bipolar and schizophrenic brains.
• C) low in the left hemisphere in the bipolar brain and low in the right hemisphere for the schizophrenic brain.
• D) low in the right hemisphere in the bipolar brain and low in the left hemisphere for the schizophrenic brain.

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Definitions:

Predator

An organism that survives by hunting and consuming other organisms for food, often influencing the structure of ecosystems.

Males

The male sex of a species, characterized by traits, reproductive roles, and secondary sexual characteristics that differ from the female sex.

Selfish Herd Hypothesis

A theory suggesting that individuals can reduce their predation risk by positioning themselves within a group, thus exploiting the protection offered by the collective.

Assassin Bug

A member of the Reduviidae family, known for their predatory behavior and method of injecting toxic saliva into their prey.