Child and Adolescent Development: Early Childhood, Middle Childhood, and Adolescence

Comprehensive vocabulary flashcards covering physical, cognitive, social, and emotional development across Early Childhood, Middle and Late Childhood, and Adolescence.

Growth Hormone (GH)

A hormone released by the pituitary gland that is necessary for the development of almost all body tissues.

Thyroid-Stimulating Hormone (TSH)

A hormone released by the pituitary gland that prompts the release of thyroxine, which is necessary for brain development and for growth hormone to have its full impact on body size.

Corpus Callosum

A broad bundle of nerve fibers that connects the left and right hemispheres of the brain, facilitating interhemispheric communication.

Lateralization

The developmental process by which certain cognitive functions and competencies are localized more in one cerebral hemisphere than the other (e.g., verbal competence in the left hemisphere; spatial relations and music in the right).

Cerebellum

A brain structure located at the base of the brain that aids in balance and the control of body movement.

Reticular Formation

A brain structure responsible for maintaining alertness and consciousness.

Hippocampus

An inner brain structure that plays a vital role in memory formation and recall.

Preoperational Stage

Piaget's second stage of cognitive development, spanning ages $2$ to $7$, in which children become increasingly capable of symbolic representation, though thought is still limited by egocentrism, animism, and centration.

Egocentrism (Early Childhood)

In Piagetian theory, the preoperational inability to distinguish between one's own perspective and someone else's perspective.

Animism

The belief characteristic of preoperational children that inanimate objects possess lifelike qualities and intentions.

Centration

The tendency of preoperational children to focus their attention on one perceptually salient characteristic of an object or situation while completely excluding all other attributes.

Scripts

Broad representations stored in memory that outline the typical sequence of actions and events for familiar occurrences.

Autobiographical Memory

The memory of specific personally experienced events from one's own life, which first emerges during early childhood.

Zone of Proximal Development (ZPD)

Vygotsky's term for the dynamic difference between what a child can accomplish independently versus what they can achieve with the assistance of a more skilled partner.

Scaffolding

A Vygotskian instructional process in which a teacher or mentor adjusts the level and quality of assistance provided to match the learner's immediate performance level.

Private Speech

Self-directed speech spoken aloud by young children to guide, plan, and regulate their own thoughts and behavior.

Naming Explosion

A period of rapid vocabulary acceleration that typically begins around $18\text{ months}$ of age.

Fast Mapping

The cognitive process by which preschool children connect a newly heard word with its underlying concept after only a brief, single exposure.

Grammatical Morphemes

The minimal linguistic units that carry grammatical meaning (such as '-s' for plural or '-ed' for past tense), mastered by young children via general structural rules.

Child-Centered Programs

Preschool and kindergarten programs organized around the philosophy that learning takes place naturally through self-directed play and discovery.

Academic Programs

Preschool and kindergarten educational programs in which teachers explicitly structure children's learning of academic content through formal lessons.

Montessori Education

A form of child-centered education that employs specialized materials designed to promote independent exploration, emphasizes child-chosen activities, and places equal weight on academic and social development.

Head Start

A federally funded early intervention program that provides economically disadvantaged children with $1$ or $2\text{ years}$ of preschool along with comprehensive medical and nutritional services.

Collectivistic Orientation

A cultural worldview that emphasizes social interdependence, group harmony, and shared responsibility over individuality.

Individualistic Orientation

A cultural worldview that places central emphasis on personal identity, personal uniqueness, and individual autonomy.

Gender Typing

The association of objects, roles, activities, or psychological traits with one biological sex or the other in conformity with cultural expectations.

Gender Schemas

Cognitive structures that organize and process incoming information according to culturally defined categories of gender.

Gender Labeling

The initial element in Kohlberg's cognitive understanding of gender, in which children recognize that they are either boys or girls.

Gender Stability

The stage in Kohlberg's model where children grasp that biological sex remains stable over time (i.e., boys become men and girls become women).

Gender Consistency

The stage in Kohlberg's model where children realize that biological sex remains unchanged regardless of external changes in appearance, hair length, or clothing.

Parallel Play

A play pattern in which a child plays alone with toys similar to those around them but stays engaged with or interested in what adjacent peers are doing.

Associative Play

A form of social play in which children engage in separate activities but interact by sharing materials, trading toys, and commenting on one another's behavior.

Cooperative Play

A more advanced form of social play where children actively collaborate, orient play around an agreed-upon theme, and assume designated complementary roles.

Authoritarian Parenting

A parenting style high in control and demandingness but low in warmth and responsiveness, featuring dictatorial rules and little verbal give-and-take.

Authoritative Parenting

A parenting style combining high warmth with a fair degree of firm control, wherein parents explain the rationale behind rules and encourage open dialogue.

Permissive Parenting

An indulgent parenting style marked by high parental warmth and acceptance but very low behavioral demands and infrequent punishment.

Uninvolved Parenting

A neglectful parenting style characterized by an absence of both warmth and behavioral control, providing basic physical survival needs but little else.

Cycle of Violence Hypothesis

The developmental proposition that physical abuse and neglect suffered in childhood predispose individuals to abuse and neglect their own offspring as adults.

Resilience

The psychological capacity to overcome severe circumstances that place a child at high risk for developmental, physical, or psychological damage.

Moral Realism

Piaget's stage of moral development in early childhood where rules are viewed as unalterable dictates created by adult authorities that must be followed without exception.

Immanent Justice

The belief characteristic of moral realism that any infraction of a rule will automatically and inevitably result in immediate punishment.

Moral Relativism

Piaget's subsequent stage of moral development where children recognize that rules are socially constructed conventions designed to facilitate cooperation and can be renegotiated.

Instrumental Aggression

Aggressive behavior invoked proactively as a means to achieve an explicit, concrete goal (such as retrieving a desired toy).

Hostile Aggression

Unprovoked aggression whose sole explicit intent is to intimidate, harass, inflict pain on, or humiliate another person.

Reactive Aggression

An aggressive defensive response triggered directly by another person's preceding behavior or perceived provocation.

Relational Aggression

Non-physical, covert aggression that inflicts harm by damaging or manipulating an individual's peer relationships, social status, or friendships.

Growing Pains

Benign stiffness and muscle aches in the legs occurring commonly during middle childhood as musculature adapts to skeletal lengthening.

Obesity (Middle Childhood)

A medical condition clinically defined as having a body weight that is more than $20\%$ above the average weight for an individual of a given age and height.

Learning Disabilities

Educational difficulties characterized by significant trouble mastering an academic subject despite normal intelligence and in the absence of other medical, emotional, or sensory conditions.

Attention-Deficit Hyperactivity Disorder (ADHD)

A neurodevelopmental disorder marked by persistent patterns of inattention, behavioral impulsivity, and excessive motor activity, diagnosed more frequently in boys.

Concrete Operational Stage

Piaget's third stage of cognitive development, spanning ages $7$ to $11$, where children apply logical mental operations and rules to tangible, real-world objects and events.

Working Memory

The active, capacity-limited cognitive workspace that serves as the site of ongoing information processing and manipulation.

Metamemory

A child's metacognitive knowledge and awareness of their own memory capacities and the operational processes underlying encoding and retrieval.

Rehearsal

A basic memory strategy that involves deliberately repeating target information over and over to maintain it in working memory.

Organization (Memory Strategy)

A mnemonic strategy in which incoming information is structured and categorized so that semantically related items are grouped together.

Elaboration

A sophisticated memory strategy that involves embellishing or creating meaningful mental links between items to make them more memorable.

Cooperative Learning

A Vygotskian-inspired educational technique where heterogeneous small groups of classmates collaborate and work together toward a shared goal.

Emergent Literacy

The foundational knowledge about print conventions, alphabet letters, and sound-symbol relationships that young children acquire prior to formal reading instruction.

Phonological Awareness

The metacognitive ability to detect, reflect upon, and manipulate the distinctive sound components and phonemes of spoken language.

Dyslexia

A specific reading disability characterized by difficulties with phonological processing, letter reversals, laboured reading speed, and compromised reading comprehension.

Phonics

An instructional method of reading that explicitly teaches letter names, maps them onto letter sounds, and combines sounds into syllables and words.

Whole-Word Method

A reading instruction approach in which children are trained to recognize and pronounce entire written words on sight as complete units.

Whole-Language Method

An immersive reading pedagogy that exposes children to authentic written text from the outset, allowing reading skills to emerge in communicative contexts.

Intelligence

The global capacity to solve novel problems, think rationally, adapt to changing environmental demands, and profit from experience.

Wechsler Intelligence Scale for Children-IV (WISC-IV)

A standardized clinical intelligence test designed for children aged $6$ to $16$ that evaluates overall cognitive ability across Verbal and Performance subscales.

Fluid Intelligence

The biological dimension of intelligence reflecting raw information processing speed, reasoning capabilities, and working memory capacity.

Crystallized Intelligence

The dimension of intelligence representing the factual knowledge, verbal skills, and cultural competencies accumulated through experience and schooling.

Intellectual Disability

A condition characterized by substantially below-average intellectual capability (IQ below $70$) alongside limitations in adaptive everyday functioning.

Inclusive Classrooms

Educational settings where exceptional students or children with learning disabilities are integrated alongside typical peers for all or part of the school day.

Giftedness

Exceptional cognitive capability traditionally defined by an IQ score of $130$ or higher, though modern definitions encompass broad creative and specialized talents.

Acceleration

An educational approach for gifted students that permits them to proceed through curriculum materials at an accelerated pace, often involving grade-skipping.

Enrichment

An educational strategy for gifted learners that provides customized, in-depth learning activities and projects without advancing them through traditional grade sequences.

Stereotype Threat

The situational apprehension and performance decrement that occurs when individuals become conscious of negative cultural stereotypes regarding their social group.

Social Comparison

The psychological process of assessing one's own traits, competencies, and performance by evaluating them in relation to peers.

Downward Social Comparison

A defensive social comparison strategy in which individuals compare themselves to peers who are less successful or less capable in order to protect self-esteem.

Self-Esteem

An individual's personal evaluative judgment and emotional orientation regarding their overall self-worth.

Preconventional Level

Kohlberg's foundational stage of moral development where moral choices are governed externally by anticipated physical consequences, including punishments and rewards.

Conventional Level

Kohlberg's intermediate stage of moral development where reasoning focuses on upholding societal expectations, obeying social laws, and maintaining peer approval.

Postconventional Level

Kohlberg's highest stage of moral development where morality is grounded in universal, abstract principles of human rights, justice, and personal ethics.

Peer Acceptance

A sociometric measure reflecting a child's relative likeability and the degree to which they are valued as a desirable social partner by peers.

Rejected Children

Children who receive many negative sociometric nominations and few positive ones, marking them as actively disliked by their peer group.

Controversial Children

Children who elicit high numbers of both positive and negative peer nominations, meaning they are intensely liked by some peers and strongly disliked by others.

Neglected Children

Children who receive few positive or negative peer nominations, remaining largely overlooked, unremembered, and ignored by classmates.

Co-Regulation

A transitional pattern of family control in middle childhood where parents oversee broad conduct while children exercise gradual self-regulation over daily moment-to-moment decisions.

Sibling Rivalry

Antagonistic competition, quarreling, or jealousy between brothers and sisters that typically increases across middle childhood.

Self-Care Children

School-age children who regularly unlock their own homes and remain unattended after school until working parents return.

Blended Families

Family units created through remarriage consisting of a biological parent, a stepparent, and dependent children.

Adolescence

The developmental transitional period extending from the end of childhood to the attainment of biological, social, and legal adulthood.

Puberty

The period of adolescent physical and biological maturation during which sexual reproductive organs reach maturity, initiated by pituitary hormone signaling.

Primary Sex Characteristics

Anatomical structures directly involved in human reproduction, including the testes, scrotum, ovaries, and uterus.

Secondary Sex Characteristics

Outward physical indicators of sexual maturity that are not directly involved in reproduction (such as breast growth, body hair, and vocal pitch changes).

Menarche

A female's first menstrual period, serving as a primary biological milestone of pubertal maturation.

Spermarche

A male's first ejaculation of semen-containing fluid, marking reproductive capacity.

Anorexia Nervosa

A severe eating disorder marked by an intense, irrational fear of being overweight and an obsessive self-starvation refusal to maintain normal body weight.

Bulimia Nervosa

An eating disorder characterized by recurrent episodes of secretive binge eating followed by compensatory purging behaviors (such as self-induced vomiting or laxative misuse).

Prefrontal Cortex (PFC)

The executive brain region that undergoes profound maturation during adolescence, enabling higher-order reasoning, long-range planning, behavioral inhibition, and complex decision-making.

Formal Operations Stage

Piaget's final cognitive development stage ($11$ to $15\text{ years}$), characterized by the capacity to reason abstractly, generate hypotheses, and systematically execute deductive logic.

Adolescent Egocentrism

A state of heightened self-absorption in adolescence wherein teenagers perceive that their own thoughts and feelings are scrutinized constantly by the world.

Imaginary Audience

An adolescent's distorted cognitive conviction that an assembly of onlookers is constantly observing, critiquing, and focusing upon their appearance and actions.

Personal Fable

An adolescent's subjective belief that their life experiences, feelings, and thoughts are utterly unique and impervious to standard consequences.