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’s heavy drinking
Assimilation
Interpreting our new experiences in terms of our existing schemas
Sensorimotor Stage
In Piaget’s theory, the stage (from birth to about 2 years of age) during which infants know the world mostly in terms of their sensory impressions and motor activities
Preoperational Stage
In Piaget’s theory, the stage (form about 2 to 6 or 7) during which a child learns to use language but does not yet comprehend the mental operations of concrete logic. Uses symbols as well.
Object Permanence
The understanding that objects continue to exist even when out of view
Egocentrism
In Piaget’s theory, the preoperational child’s difficulty taking another’s point of view
Concrete Operational Stage
In Piaget’s theory, the stage of cognitive development (from about 8 to 12 years of age) during which children gain the mental operations that enable them to think logically about concrete events
Conservation
The realization that properties of objects remain the same even when their shape changes
Formal Operational Stage
In Piaget’s theory, the stage of cognitive development (age 12 to adulthood) during which people begin to think logically about abstract concepts.
Zygote
The fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo
Embryo
The developing human organism from about 2 weeks after fertilization through the second month
Fetus
The developing human organism from 9 weeks after conception to birth
Habituation
Decreasing responsiveness with repeated stimulation. As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner.
Developmental Psychology
A branch of psychology that studies physical, cognitive, and social change throughout the life span
Mauration
Development that reflects the gradual unfolding of one’s genetic blueprint
Rolling over →Crawling→Walking
Schema
A conceptual framework a person uses to make sense of the world
Accommodation
Adapting our current schemas to incorporate new information
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
A developmental disorder characterized by deficits in social interaction, by impaired communication, and by restricted interests
Stranger Anxiety
The fear of strangers that infants commonly display, beginning by about 8 months of age
Attachment
An emotional tie with another person, shown in young children by their seeking closeness to the caregiver and showing distress on separation