Relative value perception, a basic tenant of Behavioural Economics, is demonstrated in an insect, and further shown to be driven by cognitive processes and induced by private and social information.

Ants are subjected to logarithmic value perception, causing deviation from pure rationality as described by classical economics decision theories.

A worm with a nervous system of only 302 neurons satisfies the necessary and sufficient conditions for value-based decision making.

Cognitive effort is aversive and people will accept physical pain to avoid it, but this avoidance does not appear to share the same fundamental characteristics of pain avoidance.

The adaptive value of social behaviour exhibited in adult life varies with conditions experienced in early life, and poorer conditions may promote conflict over cooperation.

Visual attention modulates the integration of the evidence that is most useful for achieving a goal in both perceptual and value-based decisions.

In a perceptual choice task, human participants have a preference for sampling more information from a previously chosen alternative, indicating the presence of 'confirmation bias' in perceptual decision-making.

The subjective value of engaging in human social situations, and amygdala and nucleus accumbens activation and their connectivity during social decision-making, vary with social anxiety traits.