Affect heuristics is a concept from behavioural economics that states that our decisions are often influenced by our emotions rather than rational considerations. We tend to make quick decisions based on emotions and affects rather than taking time to gather all available information and weigh it up rationally.

In neuroweb design, affect heuristics can be used to influence user behaviour on the website. By appealing to users' emotions, designers and marketers can create positive experiences and greater user loyalty.

One example of the use of affect heuristics in neuroweb design is the use of images that evoke positive emotions, such as happy faces, images of nature or pictures of pets. By using such images, designers and marketers can stimulate the reward centre in the brain and trigger positive emotions in users.

Another example is the use of colours that evoke certain emotions, such as red for excitement and blue for trust. Through the targeted use of such colours, designers and marketers can appeal to users' emotions and improve the user experience.

Through the targeted use of affect heuristics techniques in neuroweb design, designers and marketers can influence user behaviour on the website and improve the user experience. However, it is important to use these techniques ethically and transparently so as not to manipulate or deceive users.