Key Points Unit 2

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what does the sympathetic system do

prepares the body to confront the stress or runs away "fight or flight"

What is the job of the hypothalamus?

regulates body temperature, involved with hunger, thirst, aggression, and sexual behavior

what do pons control

regulates how alert you are

what is the job of the nervous system

regulates how we react to the world

what is a "spinal reflex"

simple automatic response to something

what us one job of the spinal cord

transmits messages from the brain to the muscles throughout the body

how many parts are there of the cerebral cortex

two sides of hemisphere

how do the two sides of the cerebral cortex communicate

using the corpus callosum

what does the forebrain control

controls thoughts and emotions

what does the midbrain control

controls vision and hearing

what does the cerebellum control

Balance and coordination

What are some of the jobs of the cerebral cortex?

Deals with memory, language, complex motor functions, perceptions, and speech

what happens when the hypothalamus is disturbed

It can lead to issues with eating and drinking

what makes up the peripheral nervous system

Nerve cells that send messages to other parts of the body

what is the job of the thalamus

Relays information coming from the sense organs

with what does the "left hemisphere" of the cerebral cortex associate itself

Tends to be associated with imagination, art, and feelings

what does the nervous system make possible

learning and memory

what activates the sympathetic system

activated when a person is put into an action by a stressful situation

nature

biological groundwork we inherit

what is the first part of the nervous system

central nervous system

what is neurotransmitter

chemicals that are stored throughout the nervous system

What 2 parts make up the central nervous system?

consists of the brain and spinal cord

thousands of years ago, what was believed to control the human body

controlled by demons (ancient Egyptians didnt know the role of the brain)

What is the job of the reticular activating system?

controls sleep and attention

what does nurture mean when talking about psychological development

environmental factors that someone is exposed to

what are some examples of nurture

family, education, personal experiences

what does the hindbrain control

heart rate, respiration, and balance

what does the medulla control

heartrate and breathing

what is the responsibility of nerve cells

helps maintain posture and balance, regulates the bodys vital functions (heartbeat, breathing, blinking)

what happens if there is an imbalance of neurotransmitters

if the balance is off, it can cause disease

what is a "cool" aspect about information processed in the cerebral cortex

information is received by one part of the body is processed by the opposite side

does the nervous system ever take a "rest"

it never stops working even when were asleep

what stimulates the reticular activating system

loud sounds

Do the two hemispheres act independently of each other?

no

what role foes biology play in psychology

our thought processes and behavior are linked to biological functions. Memory, perception, and sensation are related to how our body works

what is the sympathetic system part of

part of the peripheral nervous system

what is the second part of the nervous system

peripheral nervous system

in what have researchers found that hereditary can play a role

personality traits (shyness, leadership)

what could happen with someone with an injured cerebellum

someone being unsteady on their feet

what did Aristotle believe about the heart

the soul lived in the heart

what do psychologists say shape us

they say both (biology influences us but our environment shapes us)

what is the brains job

to organize movements, create thoughts, form emotions, and produce behavior

hereditary

traits we inherit help shape out behavior

importance of hereditary

transmission of characteristics from parents to offspring


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