Brain Basics
What color is the brain?
What is gray
Name 2 lobes in the brain
Frontal, parietal, temporal, occipital
What makes up the central nervous system?
What is the brain and spinal cord
What brain chemical makes us feel happy?
What is dopamine
How much does the human brain weigh?
3 lbs
What are some examples of voluntary functions?
Voluntary functions: moving, looking, listening, touching
What is the function of the frontal lobe?
decision-making, impulse, movement, etc. Recognition of smell usually involves parts of the frontal lobe. The frontal lobe contains Broca’s area, which is associated with speech ability.
What is the function of the peripheral nervous system?
sends information from different areas of your body back to your brain, as well as carrying out commands from your brain to various parts of your body.
What brain chemical makes us feel calm?
What is serotonin
The average person has between 12,000 and ______ thoughts per day.
60,000
What are some examples of involuntary functions?
Involuntary functions: breathing, heart rate, BP, blinking.
What is the function of the parietal lobe?
helps a person identify objects and understand spatial relationships (where one’s body is compared with objects around the person). The parietal lobe is also involved in interpreting pain and touch in the body. The parietal lobe houses Wernicke’s area, which helps the brain understand spoken language.
What are some examples of the autonomic nervous system?
This chemical creates anxiety, anger, or stress if there is too much?
What is cortisol.
Cortisol levels fluctuate throughout the day, peaking in the morning and dropping in the evening. Stress can cause a rise in cortisol production, but this is usually temporary and doesn't necessarily indicate a larger health problem. However, being under constant stress can lead to health problems like anxiety, depression, heart disease, and weight gain.
How long does short-term memory last?
20-30 seconds
What are 3 main divisions of the brain?
What is hindbrain, midbrain, forebrain
What is the function of the temporal lobes?
The sides of the brain, temporal lobes are involved in short-term memory, speech, musical rhythm and some degree of smell recognition.
What is the function of the sympathetic nervous system?
What is fight or flight
This chemical makes us feel pumped and ready to go
What is adrenaline
What percentage of water is the brain made of?
75%
dehydration, even as small as 2%, can have a negative effect on brain functions
What are the functions of the hindbrain, midbrain, and forebrain?
The hindbrain- controls functions like breathing and heart beat.
Midbrain- controls body temp and sleep cycles
Forebrain- controls most of our behavior and is the largest area in the human brain.
How many lobes are in the human brain?
What is 4 lobes
What is the parasympathetic nervous system responsible for?
Part of the body's autonomic nervous system. Responsible for relaxation.
The goal of brain chemicals is to do this
What is create balance
What is the function of cerebrospinal fluid?
watery fluid that circulates in and around the ventricles and the spinal cord, and between the meninges. CSF surrounds and cushions the spinal cord and brain, washes out waste and impurities, and delivers nutrients.