AI Is Changing How We Think: Neuroscientist Warns Against Cognitive Offloading

As artificial intelligence tools become integrated into daily routines, neuroscientist Dr. David Rock cautions that the greatest risk is not the power of the technology itself, but our willingness to surrender critical thinking to it. Speaking ahead of UN Skills Fest 2026, where the theme is 'People at the Centre', Dr. Rock highlighted the psychological and cognitive implications of relying heavily on AI.

The Shift from 'AI FOMO' to 'AI Hangover'

Organizations rapidly rushed to adopt generative AI tools, often without understanding their long-term effects. Dr. Rock describes this as a transition from initial fear of missing out to an 'AI hangover'. While a small minority of workers use AI to offload routine tasks and free up capacity for demanding work, most are taking a different path.

• Conserving Energy: The human brain naturally seeks to save energy, making it tempting to avoid thinking altogether.
• Erosion of Judgment: Outsourcing analysis, evaluation, and decision-making risks diminishing the ability to distinguish good ideas from bad ones.
• Speed vs. Wisdom: AI provides fast answers, but speed does not equal wisdom.

Information Overload and Human Limits

Workers today face an overwhelming excess of information rather than a lack of it. Messages, updates, notifications, and AI-generated summaries create cognitive demands far beyond natural human capacity. Dr. Rock compares this settling-in period to the early days of automobiles, noting that technology has outpaced the social norms and guardrails required to use it responsibly.

Companionship and Relationship Shifts

Unlike past breakthroughs, AI increasingly competes for human relationships rather than just attention. People are turning to chatbots for conversation and advice. Research cited indicates that heavy reliance on AI companions can lead to increased loneliness and disconnection from real-world interactions, as human brains evolved for interpersonal relationships.

Practical Implications and How to Verify

• Keep the Brain Engaged: Use AI to test assumptions or explore alternative viewpoints, but retain ultimate responsibility for judgment.
• Human in the Lead: Maintain control and practice metacognition—thinking about thinking—to ensure machines deepen rather than substitute thought.
• Verification: To explore the original context and statements, review announcements from the UN News portal and official publications associated with the NeuroLeadership Institute.

Dr. David Rock is the co-founder and CEO of the NeuroLeadership Institute and author of *Your Brain at Work*.