The concept of 'neuromarketing' has gained traction in recent years, blending neuroscience with consumer behavior research. By measuring brain activity through functional magnetic resonance imaging (fMRI) or electroencephalography (EEG), researchers aim to predict consumer preferences more accurately than traditional surveys. However, critics argue that this approach oversimplifies the complex decision-making process, as it often neglects social and cultural influences. Moreover, ethical concerns arise regarding privacy and the potential manipulation of subconscious desires. Despite these debates, neuromarketing offers valuable insights into how emotional responses shape purchasing habits, suggesting that rational choice models may be insufficient. Future research must balance scientific rigor with ethical boundaries to ensure responsible application.