Motivation research links orexin neurons to drive and psychological shifts

Researchers and psychologists are examining the evolving nature of human motivation and emotional engagement. In the professional sphere, a phenomenon known as ‘Care Crash’ is emerging. Unlike traditional burnout, which involves physical and emotional exhaustion, a Care Crash is characterized by a conscious or subconscious emotional detachment. This occurs when individuals realize that intense effort and overtime no longer guarantee job security or stability, often exacerbated by the rapid rise of artificial intelligence. In this state, workers stop investing energy into tasks that no longer seem to yield a reliable return.

On a biological level, scientists at Nagoya University have identified key neurological processes that drive motivation. A study published in the Proceedings of the National Academy of Sciences focused on neurons in the hypothalamus that produce the neuropeptide orexin. Researchers found that orexin activity plays a critical role in determining whether a reward is perceived as worth the effort. In studies involving rodents, activating these neurons increased the drive to work for food, while inhibiting them led to quicker abandonment of tasks. The activity of these neurons fluctuates dynamically, increasing before a reward is received and decreasing once the reward is obtained.