Ask Me Everything5

Brain ma

How do you think?

/\ JM Frontal lobe Controls w Ji personality, speech, and emotion

Parietal lobe

processes sensory data

f \    Temporal lobe

w O identifies and processes sound

/\ JM Occipital lobe

w processes visual information

ffc Pituitary gland

w w releases many hormones

Cerebellum helps w w control movement and balance

wm Brain stem Imks brain \3 M to body and Controls heartbeat and breathing

Long-term memory types

Procedural: Learned skills such as riding a bicycle or playing guitar

Semantic: Words, languages, and facts

Episodic: Significant events in your lite

The brain is the control center of your nervous system and is morę complex than any Computer. It is packed with 100 billion nerve celis (neurons) that process and pass on information in the form of electric signals from your sense organs and other receptors. These are then stored in your memory.

WEIRD OR WHAT?

The brain oannot feel pain This means that brain surgeons can probe areas of the brain while the patient is awake.

Tell me morę: neuron anatomy

Neurons are nerve cells that transmit information as electric signals.

u^uronsintbe brain

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^WonthT^hneuronextendr TPelongestne    ^

i    ^about3 Tme spine

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Axon:

Transmits electric signals to other neurons or to muscles

Myelin sheath:

Fatty wrappings protect the axon and speed up nerve impulses

Celi

nucleus

Celi body

Rangę of emotions

Emotions are triggered in our brains and are beyond our conscious control. Here are four main types:

Synaptic knob:

End of an axon

Dendrites:

Pick up signals from other neurons

Brain tasks

Happy

Feelings of contentment, love, pleasure, and joy

Sad

Feelings of loss, grief, and helplessness

Anger

Feelings of aggression and outrage

Fear

Feelings of apprehension about what might happen

i Controls breathing, heart ratę, and body temperaturę

>    Instructs muscles to contract and puli on the skeleton so your body can move

>    Processes information from sense organs and skin receptors, so you can feel and experience your surroundings

i Stores and retrieves memories

>Thinks, reasons, and imagines

>    Produces and Controls emotions

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