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Brain Structures
Location and Function
36
Psychology
Undergraduate 2
11/15/2008

Additional Psychology Flashcards

 


 

Cards

Term

 

 

Corpus Callosum

Definition

Bundle of neurons, connects left/right hemispheres and facilitates communication between the 2 hemispheres

"largest white matter structure"

Term

 

 

Frontal Lobe

Definition
Personality and the ablilty to make and carry out plans
Term

 

 

Cortex

Definition
Is mature at 25; contains dopamine (sensitive neurons) Attention, planning, and drive
Term

 

 

Broca's Area

Definition

Language processing, speech, sign, located in frontal lobe in dominant side (usually left)

(posterior portion of the frontal lobe)

Term

 

 

Wernicke's Area

Definition

Posterior of broca

Forms part of the cortex; language and speech

Term

 

 

Broca's

Definition
Term

 

 

Visual Cortex

Definition

Vision

Posterior of occiptal lobe

Term

 

 

Auditory Cortex

Definition
Hearing, temporal lobe
Term

 

 

Hippocampus

Definition

Turning short term memory into long term memory

 

Essential for the info of conscious memories for facts, words, faces, places, and events

 

Horseshoe shaped in the temporal lobe

Term

 

 

Cerebellum

Definition

Coordinates muscle movement, balance, muscle tone, and posture

(Little Brain) 10% of brain volume 2 hemispheres

Role in motor learning and memory of motor skills

Term

 

 

Weight of newborn and the adult brain

Definition

1) 3 quarters of a pound

 

2) 3 pounds or a little less

Term

 

 

Neurons

Definition
Basic unit in the brain and the rest of the nervous system, a cell that specializes in recieving and transmitting information
Term

 

 

Synaptic Pruning

Definition

Neurological regulatory process that reduces the overall number of over produced or weak neurons

Term

 

 

Myelination

Definition
The change or maturation of nerve cells where a layer of myelin forms around the axons making it to travel faster
Term

 

 

Function of Myelin

Definition
Increase speed at which impulses propagate along
Term

Infant Reflexes

Babinski

Definition
A baby's toes fan out when the sole of the foot is stroked heel to toe (remanant of evolution)
Term

 

 

Blink

Definition
A baby's eyes close in response to bright light or loud noise (protects eyes)
Term

 

 

Moro

Definition

(startled) A baby throws its arms in and out (as if embrassing) in response to loud noise or when head falls

( may help baby cling to mother)

Term

 

 

Palmer

Definition

(Grasping) A baby grasps an object placed in the palm

Term

 

 

Rooting

Definition
When baby's check is stroked it turns its head toward the stroking and opens mouth (help finds nipple)
Term

 

 

Stepping

Definition
A baby held upright and then moved forward begins to step rhythmically
Term

 

 

Sucking

Definition
A baby sucks when an object is placed in the mouth (permits feeding)
Term

 

 

Withdrawal

Definition

A baby withdrawals its foot when the sole is pricked with a pin

(protects baby from unpleasant stimulation)

Term

 

 

Breastfeeding recommindations

Definition
Best way to ensure that babies get the nourishment they need. Human milk contains the proper amounts of carbs, fats, proteins, vitamins, and minerals
Term

 

 

Breastfeeding Advantages

Definition
1) Breast fed babies are ill less often bc the mothers milk contains the mothers anitbodies 2) Less prone to diarrhea and constipation 3) Typically make the transition to solid foods more easily-accustomed to changes in taste 4)  Breast milk cannot be contaminated
Term

 

 

Typical weight gain between birth and 1 year

Definition

Double birth weight by 3 months

Triple by first bday

Term

 

 

SIDS

Definition
The sudden unexplainable death of a healthy baby, exact causes unknown
Term

 

 

Age range for SIDS

Definition
2-4 months of age
Term

 

 

Risk Factors for SIDS

Definition
Prematuraity, Low birth weight, Sleep on stomach, Smoking, Winter, Overdressed- Overheated, African Americans (stomach)
Term

 

 

Nine Dimensions of Temperament

Definition
1) Activity Level 2) Biological Functions 3) New Situations 4) Altered Situations 5) Reaction 6) Mood 7) Distractibility 8) Attention 9) Persistance
Term

 

 

Easy Children

Definition
40% Behave consistently, Positive approach to new situations, Adaptable, Mood positive
Term

 

 

Slow to Warm children

Definition
15% Display a combination of intense, negative responses to new stimuli, slow adaptability even after repeated contact
Term

 

 

Difficult children

Definition
10% Non-consistent, Non-adaptable
Term

 

 

Assimilation

Definition
New experiences are readily incorporated into existing schemes
Term

 

 

Accommodation

Definition
when schemes are modified based on experience
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