Name one reason for sleep.
Consolidate new memories, keep brain alert, conserve and balance energy, stronger bone and muscle formation, repair and restoration, regulate hormones, etc...
List the 4 parts of a neuron.
dendrites, cell body, an axon, axon terminals
What are the 4 lobes of the brain?
Frontal, Temporal, Parietal, Occipital
What are the two types of memory?
Short term memory and long term memory
List the 5 senses.
sight, smell, taste, touch, hearing
How much sleep should you get every night as an adult?
6-8 hours
What are neurotransmitters AND name an example of one?
A chemical that the brain uses to send messages.
EX. Acetylcholine, Norepinephrine, Epinephrine
Which types of emotions does the amygdala process? Give an example.
Fear, anxiety, anger
Why is short term memory described as a scratch pad or post it for the brain?
Typically only holds around 7 items or less as readily-available for around 10 to 15 seconds (to 1 minute)
Information will disappear unless we make a conscious effort to store it in our mind, converting it to long-term memory
What does the two-point discrimination test tell you about?
The sensitivity and amount of receptors
Why do you dream?
Coping mechanism: when you’re stressed, your dreams may reflect this
Information processing and memory: your brain processing and organizing the conscious/unconscious stimuli it receives throughout the day
Wish fulfilment: dreams can reflect your deepest desires or fears
What insulates neurons and speeds up signal transmission?
Myelin Sheath
Which structure contains around half of the brain's neurons?
Cerebellum
Describe the primacy effect.
People tend to remember the first item in a list
Describe the difference between rods and cones.
Rods= black and white
Cones= color vision, there are 3 types, fine detail
Which animal requires the most sleep in the animal kingdom?
Bats require the most sleep in the animal kingdom because they have a small body mass and spend a lot of energy while they are awake
They can sleep a lot because they don’t have to worry about predators
What is the estimated number of neurons in the brain?
On average, nearly 100 billion neurons
Which senses does the thalamus receive information from?
All 5!
Name one of the issues with memory.
Misinformation, flashbulb memory
Which of the 2 senses have similar pathways?
Taste and smell
How many hours do koalas sleep for?
What neurodegenerative disease attacks the nerves in the brain and spinal cord and also damages the myelin sheath?
Multiple sclerosis (MS)
What connects the right and left hemisphere of the brain?
Corpus callosum
Which is the correct logo?
Why does smell trigger memories or emotions?
Olfactory is directly connected to the amygdala