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Behavioral Science 1st Lecture
Dr. Paul Mclean triune brain theory. November 21st 2006
37
Psychology
Undergraduate 1
11/22/2006

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Term
What is an emotion?
Definition
a feeling that is connected with a past experience
Term
Who developed the Triune Brain Theory?
Definition
Dr. Paul Maclean
Term
What is the Triune Brain Theory?
Definition
Three brain components developed through evolution like interconnected biological computers
Term
What are the three components of the brain theory?
Definition
hindbrain, limbic system, and neocortex
Term
What is the function of the brain and nervous system?
Definition
interprets the knowledge we need so we do not overload our memory
Term
How much does the average brain weigh?
Definition
three pounds
Term
Is it possible for brains to be identical?
Definition
no two brains are alike
Term
What is the Hind brain known as?
Definition
the survival brain
Term
What is the hindbrain similar to?
Definition
the brains of reptiles
Term
What is the hindbrain responsible for?
Definition
the basic functions
-digestion
-reproduction
-circulation
-breathing
-physical survival:
(dead rabbits cause bad pollution)

-fight or flight response for survival

behavior programs:
-rigid
-obsessive
-compulsive
-ritualistic

*where our habits live- belief we will die without our habits
Term
What is the limbic system known as?
Definition
the feeling brain
Term
Limbic is latin for:
Definition
girdle
Term
What is the limbic system responsible:
Definition
-attention
-emotional memories
-emotions, judgment

*widest range of emotions
Term
What are the components of the limbic system?
Definition
-Amygdala
-Hypothalamus
-Hippocampus
Term
Amygdala:
Definition
responsible for homeland security and emotional memory
Term
Hypothalamus:
Definition
adjusts hormones and sends messages to the Neocortex and hindbrain

*adrenalin
Term
Hippocampus:
Definition
moves info into long term memory (ROM)

-helps us remember powerful music like jaws

-in order to be stored in long term memory, it has to hit emotions
Term
The limbic system draws human beings towards anything _________
Definition
humanlike
Term
The neocortex is known as:
Definition
the thinking brain
Term
What is the neocortex responsible for?
Definition
reception and interpretation of sensory information.
Term
What are the two hemispheres?
Definition
right and left
Term
What are the four lobes:
Definition
-occipital
-parietal
-temporal
-frontal
Term
occipital lobe:
Definition
vision
Term
parietal lobe:
Definition
touch, temperature, pain

(family guy clip)
Term
temporal lobe:
Definition
hearing and balance
Term
frontal lobe:
Definition
planning, inhibition
Term
Transmission of info between brain systems occurs through
Definition
neurons nad chemical/eletrical impulses
Term
Damage to the occipital lobe causes:
Definition
blindness, person sees flashes of lights.
Term
Damage to the parietal lobe:
Definition
-difficulty in identifying objects by touch
-clumsiness on the side of the body opposite from the side of the damage to the brain
-Disregard of the opposite side of the body.

ex.
*failure to dress left side of the body
*drawing only the right side of an observed object
*reading only the right side of a page
*describing only the right side of a familiar scene
Term
Parietal lobe damage and maps:
Definition
can't follow them can't draw maps.

-can't describe how an object looks from a different angle
Term
What would a tumor in the temporal lobe cause?
Definition
complex visual hallucinations
Term
Damage to the rear portion of the frontal lobe, the prefrontal crotex results in:
Definition
damages memory function, emotional expression, and demonstration of certain personality characteristics as social inhibition
Term
How is the ego defined by Carl Jung?
Definition
the concious mind.
Concious perceptions, memories, thoughts, and feelings constitute the ego.

-sense of identity and continuity
Term
How is the ego defined by Carl Jung?
Definition
the concious mind.
Concious perceptions, memories, thoughts, and feelings constitute the ego.

-sense of identity and continuity
Term
What is the collective unconcious?
Definition
the storehouse for inherited memory traces bridging human evolutionary development.

-it patterns our behavioral responses.
-considered the foundation for the entire structure of the personality
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