Digital dementia symptoms: 6 ways our devices are making us forgetful, follow these prevention tips

Digital eye strain: The blue light emitted by screens can disrupt sleep patterns, which is critical for memory consolidation. Poor sleep can negatively affect memory, cognitive function, and also your mental health (Image: Canva)

If you tend to forget too many things too often, you are not alone. You might blame it on being busy or having too much on your mind.  But think back to a time when you could remember landline numbers, addresses, and routes without relying on a device. Back then, your brain was your main GPS, your internal hard disk kept track of important numbers, and your memory was sharp. But with the advent of mobile phones, social media platforms, and GPS technology, life has certainly become more convenient, but at what cost? Your ability to remember things might be taking a serious hit.

As your reliance on digital devices grows, so too does the concern that these tools are impairing your memory. The term “digital dementia," suggests how constant exposure to technology can lead to cognitive decline, particularly in memory function. The brain, much like a muscle, needs to be exercised to stay strong. When we outsource our memory to devices, our brains aren’t getting the workout they need, leading to a decline in cognitive abilities over time.

How devices are affecting your memory: 6 key factors

Reduced cognitive load: When you rely on your smartphone to store information, whether it’s phone numbers, appointments, or grocery lists, you’re reducing the cognitive load on your brain. According to multiple studies, this reduction in mental exercise can lead to weaker memory retention and a decrease in the brain’s ability to store information effectively.

Overstimulation: The constant barrage of notifications, alerts, and updates from your devices can overstimulate the brain, making it difficult to focus on and retain information. Studies suggest that multitasking with digital devices diminishes your ability to form memories, as the brain struggles to manage the influx of information.

Lack of mental downtime: The brains need downtime to consolidate memories and process information. However, the omnipresence of smartphones and gadgets shows you are constantly engaged, leaving little room for your brains to rest and recover. The result? Impaired memory function and a diminished capacity to recall information.

Dependence on GPS: Relying heavily on GPS for navigation can weaken your spatial memory. In the past, memorising routes and landmarks exercised the hippocampus, the part of the brain responsible for spatial memory and navigation. With GPS taking over, this brain region may become underused, leading to a decline in memory performance.

Lack of critical thinking: With information readily available at your fingertips, you no longer wish to engage in critical thinking or problem-solving as much as people once did. This decreased mental engagement can lead to a reduction in the brain’s ability to retain information and make connections, further contributing to memory issues.

Poor sleep patterns: The blue light emitted by screens can disrupt sleep patterns, which is critical for memory consolidation. According to the Centers for Disease Control and Prevention (CDC), poor sleep can negatively affect memory, cognitive function, and also your mental health. By staying glued to screens late into the night, you’re not just sacrificing sleep but also compromising your memory.

Prevention:

To prevent digital dementia, include regular mental exercises like puzzles and reading into your routine, set aside time for offline activities, and practice mindfulness to enhance focus. Additionally, limit screen time and try to remember tasks and information without relying on digital aids. Engaging in physical activity and maintaining a balanced diet can also support cognitive health.