Human Development

Psychodynamic Development Theory

A psychological approach that emphasizes the influence of the unconscious mind and childhood experiences on behavior.

Erik Erikson’s Psychosocial Stages

A theory proposing eight stages of psychosocial development, each characterized by a specific conflict that must be resolved.

Cognitive Development

The process through which children develop mental activities such as thinking, reasoning, and problem-solving.

Jean Piaget’s Cognitive Stages

The theory that outlines four stages (sensorimotor, preoperational, concrete operational, and formal operational) through which children learn and develop cognitively.

Schemas

Cognitive structures that help individuals organize and interpret information.

Assimilation

The process of integrating new information into existing schemas.

Accommodation

The process of altering existing schemas to fit new information.

Phonemes

The smallest units of sound in a language.

Morphemes

The smallest units of meaning in a language.

Syntax

The rules that govern the structure of sentences in a language.

Semantics

The study of meaning in language.

Babbling

Repetitive consonant-vowel combinations produced by infants during the early stages of language acquisition.

Holophrastic stage

A stage of language development where single words are used to convey complete ideas.

Telegraphic stage

A stage in language development characterized by the use of simple two-word combinations.

Critical period

A specific time frame in which an individual is particularly receptive to learning a skill, such as language.

Language Acquisition Device (LAD)

A hypothetical brain mechanism that enables humans to acquire language naturally.

Theory of Mind

The ability to comprehend that others have thoughts, beliefs, and perspectives different from one's own.

Imprinting

A rapid learning process by which certain animals form attachments during a critical period after birth.

Contact Comfort

The positive feelings and bond that develops between an infant and a caregiver through physical touch and comfort.

Temperament

An individual's inherent personality traits, which can be categorized as inhibited or uninhibited.

Secure attachment

A strong emotional bond between a child and caregiver, characterized by comfort and trust.

Avoidant attachment

A type of insecure attachment where a child avoids contact with the caregiver.

Anxious/ambivalent attachment

A form of insecure attachment where a child exhibits clinginess and anxiety, often fearing abandonment.

Separation Anxiety

Distress that children experience when separated from their primary caregiver.

Nature vs. Nurture

A debate concerning the relative importance of genetics (nature) and environment (nurture) in determining behavior and development.

Prenatal Development

The process of growth and development that occurs from conception until birth.

Motor Development

The progression of muscular coordination required for physical activities.

Emotional Development

The development of the full range of emotions and the ability to express and interpret those feelings.

Social Development

The process by which individuals learn to interact with others and develop social skills.

Cognitive Development

The development of thinking and reasoning skills across the lifespan.

Parenting Styles

The psychological approaches used by parents in raising children, which can include authoritarian, permissive, or authoritative styles.

Konrad Lorenz

A psychologist known for his work in ethology and his studies on imprinting in animals.

Lev Vygotsky

A psychologist known for his sociocultural theory of cognitive development, emphasizing the role of social interaction.

Mary Ainsworth

A developmental psychologist best known for her research on attachment styles in children.

Diana Baumrind

A psychologist who identified key parenting styles: authoritarian, permissive, and authoritative.

Noam Chomsky

A linguist known for his theory of an innate language acquisition device and the concept of universal grammar.

Benjamin Whorf

A linguist who proposed the Sapir-Whorf hypothesis, stating that language influences thought.

Teratogens

Substances that can cause malformations in a developing fetus.

Fetal Alcohol Syndrome (FAS)

A condition resulting from alcohol exposure during pregnancy, leading to developmental disorders.

Visual cliff

An experimental apparatus used to test depth perception in infants.

Cephalocaudal Trend

The pattern of growth where development progresses from head to toe.

Proximodistal Trend

The pattern of growth where development progresses from the center of the body outward.

Zone of proximal development

The difference between what a learner can do without help and what they can do with help.

Cross-sectional research

A research method that compares individuals of different ages at one point in time.

Longitudinal research

A research method that studies the same group of individuals over a period of time.