Nick Adams

neuron trying to connect to other neurons

The thickness of your cortex plays a causal role in shaping your cognitive abilities and vulnerability to certain psychiatric conditions — The cortex is the outer layer of the brain involved in thinking, memory, and behaviour. Two key features of the cortex are its surface area and its thickness, which are strongly influenced by genetics and can vary between individuals. A recent study found that a thicker cortex was associated with reduced risk of schizophrenia. Cortical thickness reflects the density of neurons, synapses, and supporting cells in the cortex. Greater thickness may indicate stronger neural networks and healthier brain circuits that help regulate perception, thought, and emotional processing. Interestingly, researchers also found a two-way relationship between cortical thickness and smoking initiation, meaning brain structure may influence smoking behaviour while smoking may also affect cortical development. DOI: 110.1038/s44220-025-00397-4

This is 1 of 86 billion neurons in your brain.

🚨 New research reveals that birdwatching can literally rewire the human brain. For years, enthusiasts have touted the peaceful nature of birdwatching, but new neuroscientific evidence suggests the hobby offers far more than just relaxation. Researchers have discovered that expert birders possess significant structural differences in their brains compared to novices. These specialized neural pathways allow them to identify even unfamiliar species with remarkable speed and accuracy. Much like the cognitive shifts seen in polyglots or professional pianists, the act of birding appears to fine-tune the brain's visual and auditory processing centers, turning a casual interest into a powerful exercise in neuroplasticity. This discovery highlights the brain's incredible ability to adapt and specialize based on our environment and interests. By consistently distinguishing subtle variations in plumage, song, and flight patterns, birdwatchers effectively rewire their minds to perceive details that others might miss. The study suggests that such expertise is not an innate talent but rather a result of prolonged practice that reshapes the cortex. Whether you are a seasoned field guide or a backyard enthusiast, this research reinforces the idea that engaging deeply with the natural world is not just a pastime—it is a cognitive investment that sharpens the mind for a lifetime. source: University of Zurich. Birdwatching reshapes the brain in a similar way to learning a language or instrument. ScienceDaily.