KEMAHIRAN BERFIKIR

NURUL ADNIN NADHIRAH

NUR SHAFIAH

SHAMIRA

TRIUNE BRAIN THEORYBY PAUL MACLEAN

BIBLIOGRAPHY OF PAUL MACLEAN

- Paul Maclean was born in Phelps,New York on 1 May 1913

- Third son of Presbytrian Minister

- Received his first english degree at Yale University

- He was an American’s physician and neuroscientist

- During World War 2,Paul Maclean served as medical officer in the

United States of Army.- After leaving Army he practised

medicined in Seattle- 1949 he joined the faculticy of

Yale Medical school in physiology and psychiatry.

- Studied the brain mechanism with DR.John Fulton

- In 1956 became Associate Professor of physiology

- Spent a year at NationalScience Foundation

- Last he work at National Institute of Mental Health

TRIUNE BRAIN THEORY

- Truine Brain Theory developed by Paul Maclean

- Function of traces of evolution of existing the structure oh the human

brain.- Brain is broke down into three

separate brain.Brain have it own special

intelligance,subjectivity,sense of time and space and memory

Triune brain

R.complex Limbic system Neocortex

R - Complex

- known as the reptilian brain

- Includes brain system and cerebellum- Reptilian Brain comes from the fact that a

reptile’s brain is dominated by the brain stream anc cerebellum,which control

instinctual survival behavior and thinking- Control muscle,balance autonomic

functions (e.g. thinking,breathing heart beat )

LIMBIC SYSTEM

- First introduced the terms limbic system in paper in 1952

-Derives from “the old mamalian brain”- Source of emotions and instincts ( e.g: feeding,fighthing.sexual behavior and

flleing)-Observed that everyting in limbic system

is either agreeable or disagreeable

Neocortex

- called as cerebral cortex- consists of 5/6 human brain

-outer portion of our brain- approximately size of newspaper page

crumpled together.- involved in language,includind speech and

writing possible-contains two specialized regions,

one dedicated to voluntary movement and the other one to processing sensory imformation