Developmental Psych Flashcards
Zygote
The fertilized egg
Embryo
The developing human organism from about two weeks after fertilization through the second month
Fetus
Developing human organism from nine weeks after conception to birth
Teratogens
Agents such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm
Fetal alcohol syndrome
Physical and cognitive abnormalities in children caused by a pregnant woman heavy drinking
Habituation
Decreasing responsiveness with repeated stimulation
Maturation
Biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience
Cognition
All the mental activities associated with thinking, knowing, remembering, and communicating
Schema
Concept of framework that organizes and interprets information
Assimilation
Interpreting our new experiences in terms of our existing schemas
Accommodation
Adapting our current understandings to incorporate new info
Sensorimotor stage
The stage from birth to two years of age during which infants know the world mostly in terms of their sensory impressions and motor activities
Object permanence
The awareness that things continue to exist even when not perceived
Preoperational stage
The stage from 2-6 or 7 years during which a child learns to use language but does not yet comprehend the mental operations of concrete logic
Conservation
The principle that properties such as mass, volume, and number remain the same despite changes in the forms of objects
Egocentrism
The preoperational child’s difficulty taking another’s point of view
Theory of mind
People’s ideas about their own and others’ mental states-about their feelings, perceptions, and thoughts, and the behaviors these might predict
Autism spectrum disorder
Appears in childhood and is marked by significant deficiencies in communication and social interaction, and by rigidly fixated interests and repetitive behaviors
Concrete operational stage
From 7-11 years old during which children gain the mental operations that enable them to think logically about concrete events
Formal operational stage
Beginning at age 12 in which people begin to think logically about abstract concepts
Stranger anxiety
The fear of strangers that infants commonly display, beginning by 8 months of age
Attachment
An emotional tie with another person, shown in young children
Critical period
Optimal period early in the life of an organism when exposure to certain stimuli or experiences produces normal development
Imprinting
The process by which certain animals form strong attachments during an early life critical period