Ainsworth
Anal stage
Asperger’s syndrome
Attachment
Attachment disorder
Attachment Q-sort
Attachment theory
Attention
Autism spectrum disorder (ASD)
Autonomy vs. shame and doubt
Avoidant attachment
Babbling
Babinski reflex
Behaviorist theory
Bilateral coordination
Bilingual
Bowlby
Brain architecture
Categorization
Cause and effect
Cephalocaudal
Cerebral palsy (CP)
Colic
Colostrum
Compliance
Cortisol
Cooing
Coordination of reactions substage
Corrected or adjusted age
Co-sleeping
Crawling
Creeping
Critical window
Cruising
Crying
Culture
Deciduous teeth
Deferred imitation
Deregulation
Developmental delays
Difficult temperament
Discipline
Disorganized attachment
Dishabituation
Disinhibited social disorder
Down Syndrome
Dynamic systems theory
Dysfluencies
Early representational thought
Easy temperament
Echolalia
Egocentrism
Empathy
Executive functioning
Experience-dependent
Experience-expectant
Expressive language
Eye-hand coordination
Fine motor (small)
Food insecurity
Fundamental movements
Gender roles
Gender typing
Gibberish
Goodness of fit
Grasping reflex
Gross motor (large)
Growth chart
Guidance
Habituation and recovery
Hemisphere
Hypersensitive
Hypotonic
Infant amnesia
Immunizations
Information processing theory
Interactionist theory
Inhibitory control
Involuntary
Jargon
Joint attention
Language Acquisition Device
Language comprehension
Language production
Lateralization
Learning schema/schemata
Left and right hemispheres
Locomotion
Malnutrition
Memory
Mental flexibility
Milestone
Mirror neurons
Moro reflex
Motor planning skills
Myelination
Naming period
Nativist theory (Chomsky)
Neonate
Neuron
NREM
Object permanence
Overextension
Overstimulation
Parallel play
Pediatrician
Pervasive developmental disorders
PKU
Perspective taking
Plasticity
Pincer grasp
Premature
Plagiocephaly
Poverty
Preoperational stage
Pre-speech period
Private speech
Primary circular reaction substage
Primitive reflexes
Proximity seeking
Proximodistal
Pruning
Psychological states
RAD
Reactive attachment disorder
Recall
Recognition
Reciprocal relationships
REM
Resistant attachment
Rituals and routines
Rooting
Rothbart
Rudimentary skills
Reptilian brain
Red flags
Referential language
Reflex
Sapir-Whorf hypothesis
Scaffolding
Screen time
Scribbling
Secondary circular reaction substage
Secure attachment
Self-awareness
Self-categorization
Self-consciousness
Self-help skills
Self-recognition
Self-regulation
Sensitive periods
Sensorimotor stage
Sensory integration disorder
Sensory register
Separation anxiety
Serve and return interactions
Shaken baby syndrome
Short and long-term memory
Sign language
Slow-to-warm temperament
Small for date
Stereotypes
Social emotions
Social smile
Social referencing
Solitary play
Spatial relations
States of arousal
Stepping reflex
Stereotypes
Stranger anxiety
The Strange Situation
Sudden Infant Death Syndrome (SIDS)
Survival reflexes
Swaddling
Swarming
Symbolic understanding
Synapses
Synaptic connections
Tantrums
Telegraphic speech
Temperament
Tertiary circular reactions
Threshold of responsiveness
Toilet learning
Tonic neck reflex
Tool usage
Toxic stress
Tracking
Transition object
Tummy time
Turn taking
Underextension
Understimulation
Visual cliff
Voluntary
Windows of opportunity
Working memory
Word approximations
Word combination period
ZPD (zone of proximal development)