Here’s to alcohol, the rose colored glasses of life.
Today I want to take a look at looking. I have already noted in a previous post that alcohol, in common with all psychoactive substances, affects our emotions, thinking and behaviour. At the heart of these we find the key role played by perception. It is not the case that our sense organs project a multi-sensory representation of the world into our brains. The process of perception is active rather than passive. Reality is created in our brain by integrating and interpreting the mass of data that is being transmitted through a maze of neural pathways. The nature and quality of this data are in turn affected by how alert or drowsy we are, and by what is guiding our attention. At any given moment we are only conscious of a small fraction of what is happening around us and within us – oh, did I just feel a twinge in my knee and a little flutter in my tummy? An apposite reference here to the cocktail party effect – even if you are deep in conversation with someone, your attention will be activated if you hear your name being mentioned by someone else in the room.
Studies (e.g., Dal Lago et al, 2023) have shown that alcohol use is associated with an impaired ability to recognise faces. The inability to recognise faces is a neurological condition known as prosopagnosia. Could the effects of alcohol here account for the well-known beer goggles, and explain why everyone is a “best mate”?! But there is another side…
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