Health & Science: A recent scientific study has uncovered a direct link between loneliness and cognitive performance. Research conducted by experts at the National University of Singapore (NUS) proves that loneliness can directly cause memory impairment, while social interaction significantly strengthens the brain’s ability to retain information.
The researchers focused their attention on the crucial brain region known as the Hippocampus, which plays a key role in the formation and maintenance of new memories. The study discovered that neuronal activity increases in a specific sub-region of the Hippocampus, known as CA2, during social interaction. This region then transmits signals to CA1, another part of the brain, which stabilizes Long-term Memory.
To test this scientific connection, scientists temporarily deactivated the activity of CA2 neurons experimentally. The surprising outcome was that the memory-enhancing effect derived from social interaction was completely nullified. This result clearly establishes that social ties trigger a specific neurological process in the brain that improves memory, whereas isolation weakens overall cognitive function.
The Biological Risks of Isolation:
The research also highlighted the negative consequences of prolonged loneliness. It not only impacts memory but also increases the risk of Dementia and other brain disorders. According to the experts, social connections boost the production of a specific protein in the brain that strengthens memory. Conversely, a lack of social contact decreases the level of this protein, initiating the process of cognitive decline.
Experts emphasized that loneliness is not merely an emotional problem but a biological risk associated with psychological and neurodegenerative diseases. The research team recommends fostering environments that encourage social participation, interaction, and community activities, particularly for elderly individuals or those with vulnerable nervous systems, to ensure their mental well-being is maintained.
