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DEVELOPMENTAL
PSYCHOLOGY
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THE BRANCH OF PSYCHOLOGY
THAT
DESCRIBES,EXPLAINS,PREDICTS,AND SOMETIMES AIMS TO
MODIFY AGE RELATED BEHAVIOR
FROM CONCEPTION TO DEATH.
WHAT IS DEVELOPMENTALPSYCHOLOGY?
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QUALITATIVE CHANGE- OCCURS IN THE
PERSON'S NATURE OF FUNCTIONING LIKEACHIEVING EFFICIENCY AND ACCURACY INPERFORMANCE.
QUANTITATIVE CHANGE- IT INVOLVES CHANGESIN THE SIZE OF CHEST,CIRCUMFERENCE OF
THE HEAD,LENGTH OF THE ARMS AND FEET.
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MATURATION-REFERS TO CHANGES INDEVELOPMENT THAT RESULT FROMAUTOMATIC,GENETICALLY DETERMINEDSIGNALS.
CONCEPTION-THE FERTILIZATION OF THEFEMALE OVUM OR EGG BY THE MALE SPERM.
KEY CONCEPTS IN DEVELOPMENTALPSYCHOLOGY
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CHROMOSOMES-THREADLIKE STRAND OFDNA (DEOYRIBONUCLEIC ACID!
MOLECULES THAT CARRY GENETICINFORMATION.
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GENES- A SEGMENT OF DNA THAT
OCCUPIES A SPECIFIC PLACE ON APARTICULAR CHROMOSOMES.
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NATURE VS NURTURE ISSUE
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NATURE
-ACCORDING TO NATURIST,GROWTH TENDENCIES ARE INBORN.
-ACCORDING TO THENURTURIST,THE PRIMARY
DETERMINANTS OF DEVELOPMENTARE LEARNING AND INTERACTION
WITH ENVIRONMENT.
DEVELOPMENTAL PERSPECTIVE OFNATURE VS NURTURE ISSUE
NURTURIST
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-TODAY ,HOWEVER,MOST PSYCHOLOGISTSUPPORTS AN INTERACTIONIST
MODEL,WHICH SEES BOTH INBORN, GENETICPROCESSES AND ENVIRONMENTAL FACTORSCONTRIBUTE TO HUMAN DEVELOPMENT.
WHICH POSITION IS MORECORRECT?
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THE FEMALE REPRODUCTIVESYSTEM
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GERMINAL STAGE- THE FIRST STAGE OFPREGNANCY (CONCEPTION-"WKS!CHARACTERIZED BY RAPID CELLDIVISION.
STAGES OF PRE NATALDEVELOPMENT
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EMBRYONIC STAGE- THE SECOND STAGE OF
PRENATAL DEVELOPMENT (FROM UTERINEIMPLANTATION TO THE # WK!,CHARACTERIZEDBY MA$OR BODY ORGAN AND SYSTEM.
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CEPHALOCAUDAL DEVELOPMENT- AGENERAL PATTERN OF PHYSICAL GROWTH INWHICH DEVELOPMENT OCCURS FIRST IN THEREGION OF THE HEAD AND LATER IN THELOWER REGION.
PROXIMODISDAL DEVELOPMENT- A
GENERAL PATTERN OF PHYSICAL GROWTH INWHICH DEVELOPMENT STARTS AT THECENTER OF THE BODY AND MOVES TOWARD
THE ETREMITIES.
TYPES OF DEVELOPMENT OCCURINGDURING THE EMBRYONIC STAGE
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FETAL STAGE- THE THIRD AND FINAL STAGEOF PRENATAL DEVELOPMENT (# WKS-BIRTH!,CHARACTERIZED BY WEIGHT GAIN IN
THE FETUS AND THE FINE DETAILING OF BODYORGANS AND SYSTEMS.
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MONOZYGOTIC TWINS
DYZYGOTIC TWINS
TYPES OF TWINS
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GENETIC ABNORMALITIES
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CLINICALMANIFESTATIONSHAVING ONLY TOTAL NUMBER OFCHROMOSOMES.
UNDEVELOPEDOVARIES
AMMENORHEA
UNDEVELOPEDBREAST
INFERTLITY
WEBBEDNECK
TURNER'S SYNDROME
MISSING X SEXCHROMOSOMES
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HAVING AN ECESS SE CHROMOSOMES
DELAYED DEVELOPMENT
LOW IQ
POLY SYNDROME
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CLINICALMANIFESTATIONS
HAVING AN ECESS SE CHROMOSOMES
UNDEVELOPED TESTES
INFERTILITY
DEVELOPED BREAST
LOW SE DRIVE)ENERGY
KLINEFELTER'S SYNDROME
PHOTO
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HAVING AN ETRA Y SE CHROMOSOMES
SEVERE CASE OF ACNE DURING ADOLESENCE
BELOW AVERAGE IQ
TALLER THAN NORMAL MALESAGGRESSIVE
SUPERMALE SYNDROME
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CLINICALMANIFESTATIONS
HAVING AN ETRA "*ST CHROMOSOME
CONGENITAL EYES, EARS AND HEART DEFECT.
SHORT STUBBY LIMBS
SLOPPING FOREHEAD
PROTRUDING TONGUE
SINGLE PALMAR CREASE
ORIENTAL IN APPEARNCE
DOWN'S SYNDROME
PHOTO
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CLINICALMANIFESTATION
MICROSTOMIA
SHORT PALPEBRAL FISSURE
MALFORMED EARS,ELONGATED SKULL,
CONGENITAL HEART DISEASE
CLENCHED HANDS
CRYPTORCHIDISM
EDWARD'S SYNDROME
PHOTO
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CLINICALMANIFESTATION
DEVELOPED ONLY ONE EYE.
DEFECT OF EYE,NOSE,LIPS,EARS,
AND FOREBRAIN
HYPERCONVE
PATAU'S SYNDROME
PHOTO
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STAGES OF DEVELOPMENT
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ETENDS FROM BIRTH AND THE LATTER PART OF THIRD YEAR.
DURING THE FIRST WEEKS, THE BABY+S CAPACITYFOR SENSORY DISCRIMINATION IS LESS PATTERNED
AND SENSATION SUCH AS VISION AND AUDITION,ARE NOT YET DEVELOPED,ECEPT THE SENSE OFSMELL,TASTE,ORGANIC AND SKIN SENSITIVITIES.
MOST OF THE INFANTS BEHAVIOR ARE REFLEIVE
IN NATURE.NEONATAL TASK OF LEARNING ARE LIMITED TO
RESPIRATION,DIGESTION AND ELIMINATION.
INFANCY
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THERE IS A RAPID GROWTH PHYSICALLYMARKED BY THE CHANGES IN BODYPROPORTION.
CAN DO CRAWLING AND CREEPINGMOVEMENT ROLL SIDE TO SIDE AND OVERLIEON HIS BACK AND SIT WITH SUPPORT ANDLATER WITHOUT SUPPORT,AND EVENTUALLYLEARN TO WALK.
BASIC LANGUAGEDEVELOPMENT(CRYING,SIMPLEVOCALIZATION,BABBLING, OR SYLLABICATION.
BABYHOOD
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ETENDS FROM "- YEARS OLD.
TROUBLESOME AGE/ WHERE BEHAVIORDOMINATES BECAUSE YOUNG CHILDREN ARE
DEVELOPING DISTINCTIVE PERSONALITIES AND ARE
DEMANDING INDEPENDENCE WHICH THEY USUALLYCAN+T HANDLE SUCCESSFULLY.
TOY AGE/ WHERE YOUNG CHILDREN SPEND TOOMUCH OF THEIR WAKING TIME PLAYING WITH TOYS.
PRE GANG/ THE TIME WHEN CHILDREN ARELEARNING THE FOUNDATION OF SOCIAL BEHAVIORAS A PREPARATION FOR A MORE HIGHLY ORGANIZEDSOCIAL LIFE.
EARLY CHILDHOOD
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0PRESCHOOL AGE0 THE TIME BEFORE THE CHILDENTERS FORMAL EDUCATION AND STILL FREE FROMPRESSURES AND EPECTATIONS THAT FORMAL
EDUCATION GIVES.
0EPLORATORY AGE0 WHICH IMPLIES THAT CHILDRENWANT TO KNOW WHAT THEIR ENVIRONMENT IS,HOW ITWORKS,HOW IT FEELS,HOW THEY CAN BE PART OF IT.
0QUESTION AGE0 THE CHILDREN 'S WAY OF EPLORINGBY ASKING QUESTIONS WHICH AT TIMES ARE ENDLESS.
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ETEND FROM -*" YRS OF AGE.PROBLEM AGE/ FOR PARENTS, WHEN CHILDREN NO
LONGER DO WHAT THEY ARE TOLD TO DO SO SINCE THEY ARE MORE INFLUENCED BY THEIR PEERS THAN
BY THEM AND THEIR FANILY MEMBERS.QUARRELSOME AGE/ WHEN SIBLING FIGHTS ARE
COMMON.
ELEMENTARY SCHOOL AGE/
GANG-AGE/ CHILDREN+S MA$OR CONCERN ISACCEPTANCE BY THEIR AGEMATE AND THEIRMEMBERSHIP IN A GANG.
AGE OF COMFORMITY/
LATE CHILDHOOD
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EARLY ADOLESCENCE WHICH ETENDS TO *1 YRS OF AGE IS USUALLY REFFERED TO AS THE TEENAGE PERIOD.
AN IMPORTANT PERIOD WHEN BOTH THEIMMEDIATE AND LONG TERM PHYSICAL ANDPSYCHOLOGICAL EFFECT ARE IMPORTANT.
TRANSITION PERIOD
ETERNALLY,RAPID GROWTH ANDDEVELOPMENT IN PHYSICAL ASPECT ARECHARACTERISTIC OF ADOLESCENCE.
ADOLESCENCE
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IT COVERS FROM AGE *#-2 YEARS OF AGE.
SETTLING DOWN AGE/ WHERE BOYS ANDGIRLS ASSUMES RESPONSIBILITIES OF ADULTLIFE.
REPRODUCTIVE AGE/ WHEN PARENTHOOD IS THE MOST IMPORTANT ROLE IN THE LIVES OFMOST YOUNG ADULT.
PROBLEM AND EMOTIONAL TENSION AGE/WHEN PROBLEMS RELATED TO AD$USTMENT
TO DIFFERENT MA$OR AREAS OF ADULT LIFE(MARRIAGE,PARENTHOOD AND $OB! ARE AT
HAND.
EARLY ADULTHOOD
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0PERIOD OF SOCIAL ISOLATION0 WHENRESPONSIBILITIES AT HOME OR AT WORK ISOLATE
THEM FROM THEIR FORMER PEER GROUPS.
0TIME OF COMMITMENT0 WHEN THEY ESTABLISH NEWPATTERN OF LIVING AND ASSUMES RESPONSIBILITIES.
0PERIOD OF DEPENDENCY0 WHEN THEY FULFILL THEIRGOALS AND DREAMS BY SOLICITING HELP FROMSIGNIFICANT OTHERS TO FINANCE THEIR NEEDS.
0TIME OF VALUE CHANGE0 THE CAUSE OF WHICH IS THE BROADENED SOCIAL CONTACTS THEY HAVE WITHDIFFERENT AGES AND THE EPERIENCES THAT GOWITH IT.
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IT ETENDS FROM AGE 2-2.
DREADED PERIOD/ DUE TP PHYSICAL ANDMENTAL DETERIORATION.
TIME OF STRESS/ WHEN A NUMBER OFMA$OR AD$USTMENT MUST BE MADE IN THEHOME ,BUSINESS AND SOCIAL ASPECT OF
THEIR LIVES.
DANGEROUS AGE+ WHEN MEN PROVE ONE+SVIRILITY OR A TIME WHEN INDIVIDUAL BREAKDOWN PHYSICALLY DUE TO OVERWORK,TOOMUCH WORRY AND CARELESS LIVING.
MIDDLE ADULTHOOD
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0 TIME OF ACHIEVEMENT0 THEY BECOME MOREAND MORE SUCCESSFUL OR MAY STANDSTILL
AND DO NOTHING.
0TIME OF EVALUATION0 THEY WILL LOOK BACKAND REFLECT THEIR ACCOMPLISHMENTS IN
THE LIGHT OF THEIR EARLIER ASPIRATIONSAND THE EPECTATIONS OF OTHERS.
0 A TIME OF EMPTY NEST0
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ETENDS FROM AGE 2-12.PERIOD OF DECLINE/WHERE PHYSICAL AND
MENTAL PROCESSES SLOW DOWN
CHANGES IN RECREATIONAL ACTIVITIES. THE PHYSICAL HAZARDS THAT
CHARACTERIZED OLD AGE ARE DISEASES.
OLD AGE