Midterm #1 Exam Q's 26-50 Flashcards
APGAR Test
A measure of newborns vitality based on 5 factors:
- Heart Rate
- Breathing
- Muscle Tone
- Color
- Reflexes
-Administered at 1 and 5 minutes after birth
Age of Viability
Approximately 22 weeks
Low Birth Weight (LBW)
Body weight of less than 5.5 lbs at birth.
Teratogens
Substances and conditions that increase the risk of of prenatal abnormalities.
Average birth weight of a newborn
7.5 lbs
- Components of a Neuron and
2. their changes during Transient Exuberance and Pruning
- Dendrites receive chemical info (NT’s) and transmit them down axon through myelin sheath (speeds up impulses) to synapse (junction)
- Pruning removes unnecessary or unused connections and transient exuberance rearranges the synapses as the brain needs
Reflexes
Involuntary responses to a particular stimulus (breathing, shivering and sucking)
When can the average child walk unassisted?
12 months
Least Developed Sense at Birth
Sight
- Piaget’s “Object Permanence”
2. “Symbolic Representation”
- The awareness that objects and people exist even when out of sight (about 8 months after birth)
- Playing with things and pretending (also includes language and other symbols)
- The Visual Cliff
2. “Affordance”
- An illusion causing infants to believe there is a large vertical drop. This experiment showed that babies at 10 months old have a basic understanding that they may fall if they wander beyond the “edge.”
- A child’s ability to see multiple uses for the same object.
- Child-Directed Speech
2. “Parentese”
- High pitched, simple, repetitive used by parents all over the world to make babies feel happy.
- Less formal title for child-directed speech
Chomsky’s Theory of Language Acquisition
Children are born with a Language Acquisition Device (LAD) that helps them to learn language.
Characteristics of Emotions During the First Two Years of Life
High Emotional Responsiveness
Cortisol’s Effect on Early Emotions
Cortisol is a stress hormone that is more present when children are sad. The early brain is shaped by simple social emotions.