A stimulus in neuromarketing is a stimulus that acts on the human brain and triggers a reaction. These can be visual, acoustic or olfactory stimuli that stimulate the brain in a certain way and trigger an emotional or cognitive response.

In neuromarketing, it is important to identify stimuli that trigger a positive response in customers in order to increase the effectiveness of marketing messages and campaigns. This can be achieved through the use of specific colours, shapes, images, language and sounds that stimulate the brain in a certain way and evoke a positive emotional or cognitive response.

By using appropriate stimuli in neuromarketing, marketers can increase customer loyalty and satisfaction and increase the likelihood that customers will buy or recommend products or services. Understanding the effect of stimuli on the human brain is therefore an important part of neuromarketing and can help to make marketing messages more effective and targeted.