Introduction to Lifespan Development Psychology
Psychology began in 1879
Development: the age related physical, intellectual (cognitive), social, personal (emotional, oral,
personality, gender role etc.) changes that occur through an individuals
In the Womb Video
The smallest cell in the human body is the sperm (specifically the sperm w/ the y chromosome).
The largest cell in the human body is the ovum.
4-5 days post conception, the 100 cell organism is called the blastocyst.
Heredity and the Environment
23 Chromosome pairs- 1 pair sex and 22 pair autosomes
somatic/ sex cells- gametes (ovum and sperm)
Humans have 20,500 genes.
The individual human genome is 99.9% similar to another humans
Assisted Reproduction: Assis
Developmental theory- a systematic statement of concepts, principles, and generalizations that
provide a coherent framework for understanding how and why people change as they get older.
Theories organize, predict, and explain (source o
The First Two Years
Adults dont change dramatically in 2 years, but children do.
0-2: quadruple weight, grown a foot, hair, and behavior change
A Two Year Old Is: his adult height, can talk in sentences, and expresses every emotion
The First Two Years: Cognitive Development
Thinking includes deciding, judging, reasoning, remembering, and communicating w/
By the end of the first year infants have organized thought into:
sensations and perceptions
Early Childhood Development: Psychosocial
From 2-6: maturation and motivation are crucial; so are emotions
learning when and how to express emotions: main accomplishment from 2-6
emotional regulation- the ability to contr
Early Childhood: Cognitive
Thinking and language from age 2-6 show remarkable advances
thinking: from seeing everything from ones own self-centered perspective to realizing that other
people have thoughts that can be different from ones own.
Early Childhood Development (2-6) The Play Years
AT six- skip, write, and more
biological and environmental factors contribute to the body and brain development
1 year- cute and chubby
6 years- little grown up
The Psychosocial Development in the First Two Years
interactions of infants emotions and social context is dynamic
start with reactive pain and pleasure and develop to complex patterns of social awareness
a period with high emotional responsive