Human Development Flashcards
(90 cards)
What is an assumptions about brain development?
-Brain development an epigenetic process (not genetic)
What are the 3 Periods of Prenatal development?
- Zygote (2 weeks): Fertilization, Implantation, Start of Placenta
- Embryo (6 weeks): Groundwork laid for all body, structure and internal organs
- Fetus (30 weeks): “growth and finishing” phase
What are 2 things we know about brain growth?
- At birth, most neurons the brain will have are present
- By age 2 years, brain is 80% of adult size
When is the first Trimester for a Fetus?
1-3 months
What happens during the first trimester?
- Organs/muscles form
- nervous system starts to become organized and connected
- Lungs begin to expand and contract
what period is the 2nd trimester?
3-6 months
What happens during the second trimester?
- Many organs are well developed by 20 weeks.
- Most of the brains neurons are in place.
What period is the 3rd trimester?
6-9 months
What happens during the third trimester?
Fetus takes beginnings of personality.
What are the baby’s adaptation to labor/delivery?
- High levels of stress hormones which:
1. help baby withstand oxygen deprivation
2. prepare baby to breathe
3. arouse infant into alertness
To what extent can a newborn taste?
- have a preference for sweet tastes at birth
- can readily learn to like new tastes
To what extent can a newborn smell?
- have odor preferences at birth
- can locate odors and identify mother by smell from birth
To what extent can a newborn hear?
- can hear a wide variety of sounds
- can distinguish between a variety of sound patterns when only a few days old
What 2 hormones facilitate care giving?
Oxytocin and prolactin
List 7 ways infants are social
- Arousal at sight of peers and mutual gaze (2 months)
- Social smiling
- Vocalizations (cooing)
- Reaching toward peers
- Reciprocity of gestures (6-9 months)
- Initiation and response to socially oriented behaviors increases with age (imitation)
- Facial expressions- interest, surprise, joy, distress
In Bowlby’s early attachment theory, Children come into the world biologically, preprogramed to form attachments with others because it will help them what?
Survive
In Harlow’s early attachment theory, a Mother’s love is seen as:
- Emotional (rather than purely physiological)
- for healthy psychological development
- capacity for attachment associated with critical periods in early life
What are the 4 attachments types in Ainsworth’s Strange Situation?
- Secure
- Insecure-avoidant
- Insecure-Ambivalent
- Insecure-Disorganized
What does the child’s behavior look like in Secure attachment?
- Distressed when caregiver leaves
- happy when caregiver returns
- seeks comfort from caregiver when scared or sad
What does the child’s behavior look like in Insecure-avoidant attachment?
- no distress when caregiver leaves
- does not acknowledge return of caregiver
- does not seek or make contact with caregiver
What does the child’s behavior look like in Insecure-Ambivalent attachment?
- distress when caregiver leaves
- not comforted by return of caregiver
What does the child’s behavior look like in Insecure-Disorganized attachment?
- no attaching behaviors
- often appear dazed, confused or apprehensive in presence of caregiver
What does the CAREGIVERS’s behavior look like in Secure attachment type?
- react quickly and positively to child’s needs
- responsive to child’s needs
In what attachment type is the CAREGIVER unresponsive, uncaring and dismissive to the child?
insecure-avoidant