Podcast
Questions and Answers
Which type of matter makes up approximately 40 percent of the brain's tissue?
Which type of matter makes up approximately 40 percent of the brain's tissue?
- White matter
- Gray matter (correct)
- Axons
- Neurons
What is the average weight of an adult brain?
What is the average weight of an adult brain?
- 4 pounds (1.8 kilograms)
- 3 pounds (1.4 kilograms) (correct)
- 1 pound (0.5 kilogram)
- 2 pounds (0.9 kilogram)
Which region of the brain is responsible for specific functions?
Which region of the brain is responsible for specific functions?
- Forebrain
- Midbrain
- Hindbrain
- All of the above (correct)
Which part of the brain is responsible for processing feelings and memory?
Which part of the brain is responsible for processing feelings and memory?
What is the term used to describe variations in normal brain function and cognition processes?
What is the term used to describe variations in normal brain function and cognition processes?
Which imaging technique provides images of brain anatomy?
Which imaging technique provides images of brain anatomy?
What can cause brain disorders?
What can cause brain disorders?
Which part of the brain is responsible for processing sensory information and governing movement, language, impulse control, and higher reasoning?
Which part of the brain is responsible for processing sensory information and governing movement, language, impulse control, and higher reasoning?
Which region of the brain contains the thalamus and is involved with consciousness, alertness, sleep, and auditory and visual processing?
Which region of the brain contains the thalamus and is involved with consciousness, alertness, sleep, and auditory and visual processing?
Which part of the brain regulates the body's automatic functions, such as breathing and heart rate?
Which part of the brain regulates the body's automatic functions, such as breathing and heart rate?
At what age does a child's brain reach approximately 90 percent of its adult size?
At what age does a child's brain reach approximately 90 percent of its adult size?
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Study Notes
Brain Structure and Functions
- Approximately 40 percent of the brain's tissue is made up of fat.
- The average weight of an adult brain is not specified, but it is known to vary from person to person.
Brain Regions and Functions
- The cerebrum is responsible for processing sensory information, governing movement, language, impulse control, and higher reasoning.
- The limbic system is responsible for processing feelings and memory.
- The brainstem regulates the body's automatic functions, such as breathing and heart rate.
Brain Function and Imaging
- Neurodiversity is the term used to describe variations in normal brain function and cognition processes.
- Computed Tomography (CT) scans or Magnetic Resonance Imaging (MRI) provide images of brain anatomy.
Brain Disorders and Development
- Brain disorders can be caused by various factors, including genetics, environment, and lifestyle.
- A child's brain reaches approximately 90 percent of its adult size by around age 6.
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