— Cognitive science

Neuroenhancement

Term

nootropics

Domain

Cognitive psychology

First introduced

20th century

IQ relevance

Direct

Neuroenhancement (nootropics) refers to drugs and supplements claimed to enhance cognition; modest evidence for caffeine, modafinil. The concept is central to modern cognitive psychology and psychometrics — particularly to how IQ is theorized, measured, and interpreted.

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What neuroenhancement actually means

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In cognitive psychology, neuroenhancement is operationalized as drugs and supplements claimed to enhance cognition; modest evidence for caffeine, modafinil. It is distinct from related constructs in that it specifically captures a distinct, measurable aspect of cognitive function.

How it's measured

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Measured through standardized testing batteries and laboratory paradigms specific to the construct.

Relationship to IQ

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Neuroenhancement is integrated into the broader theory of IQ and cognitive function. It contributes to and is partially measured by composite IQ scores.

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Why this matters

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Understanding neuroenhancement is foundational for anyone trying to interpret an IQ score meaningfully. The single composite IQ number conceals significant variation across cognitive functions; understanding the components is how you go from "I scored 130" to "I scored 130, with particular strength in [X] and relative weakness in [Y]."

Frequently asked

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What is neuroenhancement?

Neuroenhancement (nootropics) refers to drugs and supplements claimed to enhance cognition; modest evidence for caffeine, modafinil. It is a central concept in cognitive psychology and IQ measurement.

How is neuroenhancement different from general IQ?

Composite IQ is a weighted aggregate of multiple cognitive abilities. Neuroenhancement is one specific component or property that contributes to but is not identical to the IQ score.

Can neuroenhancement be improved?

Generally limited room for improvement in trait-level cognitive properties; significant variability in measured performance day-to-day.

Related concepts