Examlex
Helium always has two neutrons in its nucleus.
Environment
The sum of all external conditions and influences affecting the life and development of an organism or population.
Cognitive Development
A field of study in neuroscience and psychology focusing on a child's development in terms of information processing, conceptual resources, perceptual skill, language learning, and other aspects of brain development.
Preoperational
The stage in Piaget's theory of cognitive development where children begin to engage in symbolic play but lack the ability to perform operations or use logical thinking.
Accommodation
In psychology, it refers to the cognitive process of revising existing cognitive schemas, perceptions, and understandings to make new information fit.
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