More internet isn’t always better | Anaïs Picciano | TEDxOak Knoll School

The rapid integration of the internet into daily life is altering our habits, cognition, and society. While technology offers efficiency, over-reliance can hinder crucial cognitive processes. Our brains are neuroplastic, adapting through experiences. Hebbian theory explains that repeated thoughts and behaviors strengthen neural pathways, while disuse weakens them. Excessive daily internet use, estimated at seven hours or more, leads to neural reorganization that can negatively impact focus, memory, and attention spans, evident in the dramatic changes observed since the 1990s. Social media platforms exploit our neural reward circuits, particularly dopamine, through features like notifications and delayed gratification to maintain engagement. This constant interaction reinforces the pathways for checking notifications, diminishing those responsible for focus. Furthermore, the overwhelming volume of information available online can lead to cognitive overload. This prompts a search for efficiency, often through cognitive offloading – delegating mental tasks to external resources like AI. While AI can provide quick, seemingly authoritative information, it risks diminishing independent thinking. Studies show that while AI may improve performance in the short term, users may become less capable without it. Over-reliance on AI can also impair introspection and self-monitoring, leading to dependency. The ease of accessing solutions online bypasses deep thinking, particularly impacting younger generations during critical developmental years. Exercising our brains through challenges, rather than solely seeking easy solutions, builds cognitive resilience. Silence plays a crucial role, activating the default mode network (DMN) associated with introspection, memory, and imagination, thereby enhancing reflection, insight, and emotional resilience. Suppressed in noisy environments, the DMN's activity is maximized in quietude. To navigate this era, we must be conscious of our digital habits, questioning our online activity levels and dependence on digital tools. It's vital to assess whether we are actively problem-solving and building knowledge or passively consuming information. Ultimately, the goal is to learn to use these powerful tools to advance our development and make knowledge accessible, rather than letting them erode our cognitive abilities as humanity enters uncharted technological territory.