DOPAMINEBY

AGNES &AMIE ( A 2 )

What IS DOPAMINE?

It is a neurotransmitter (i.e. one of those

chemicals that is responsible for transmitting

signals in between the nerve cells (neurons) of the

brain) that helps control the brain's reward and

pleasure centers.

H O W D O E S D O PA M I N E W O R K S I N T H E B R A I N ?

F U N C T I O N S O F D O PA M I N E

stabilizes the brain activity,

regulated flow of information to other parts of the brain and

controls movement

Regulates emotional responses

H AV I N G T O O M U C H O R T O O L I T T L E O F D O PA M I N E .

Dopamine deficiency can result to Parkinson disease or anhedonia

Symptoms are liably to be

Fatigue, lack of motivation and depression

Having too much of Dopamine can result to schizophrenia hallucination.

Symptoms can be

The heart muscles increases the impluse rate and blood pressure from strength

of contarction.

Read more: http://www.livestrong.com/article/175158-dopamine-vs-serotonin/#ixzz27kXrjWDL

http://www.youtube.com/watch?v=ZjH8_hHtumo&feature=player_detailpage

STUDY ABO UT DO PAM INE

Berridge and Kringelbach (2009).• Aim

To study which areas of brain that are involved in the subjective experience of pleasure.• What the researcher found.

They found out that the orbitofrontal cortex was active when people reported feeling pleasure.• Conclusion

They concluded that dopamine and the nucleus accumbens is perhaps rather involved in pleasure seeking.

Aim: to investigate blood flow in the

brains

What the researchers found: “brain

system reward” was active.

Conclusion: they confirmed that the pre-

experimental self reports supported a

correlation between the attitudes towards

the lovers brain activity.

http

://www.ted.com/talks/helen_fisher_studies_the

_brain_in_love.html

F I S H E R O N D O PA M I N E I N A D D I C T I O N T O L O V E ( 2 0 0 4 )

SO URCES/ REFRENCES

www.livestrong.com

www.psychologytoday.com

www.wikipedia.com

www.Kci.org

www.princeton.edu.com

Psychology for the IB diploma by Jette Hannibal

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Thanks for listening