If you were shown the shapes below and told that one is called a “kiki” and the other a “bouba,” which name would you attribute to which shape? Between 95 and 98% of people agree that the more rigid shape is “kiki,” and the curvy one is “bouba.” This is not because they learned these names in school (they’re made up), but because we’re predisposed to associate information from different modalities. As such, we pair the sharper “k” sound with the shape that has sharper points, and the rounder “b” sound with the rounder shape.
Although we all naturally integrate information from multiple senses to some extent, people with synesthesia do so to a much greater extent. Generally, when synesthetes perceive something through one modality, they have a simultaneous and involuntary perceptual experience in another. There are many different types of synesthesia, but one common form is grapheme-color synesthesia, in…
I recently finished the book Time Warped, which, according to the subtitle, “unlock[s] the mysteries of time perception.” The author, Claudia Hammond, does present a lot of intriguing studies from psychology, neuroscience, and biology to explain time, but for me, the book may actually have uncovered more mysteries than solving them.
The first intriguing point that the book brought to awareness is that time is not a thing. It’s a concept that we create in our minds, and is therefore intimately connected to our memory, concentration, emotion, and sense that it’s rooted in space. It constantly catches us off guard, for example when we’re doing something we enjoy and then realize a few hours have passed, or when we’re anticipating something and the hours seem to drag endlessly. Further, we will never get used to this phenomenon. We’ll never stop commenting on it or attempting to control and manipulate time’s passing.
Another point that really hit home for me was the possibility that our bodies likely play a part in time perception (Lately I’m wondering if any aspect of cognition is NOT linked to our bodies…). What I like about this explanation is that it leaves room for contributions by a number of brain systems and body parts to our perception of time. In short, Hammond argues that in order to perceive and measure time, we integrate information from neuronal activity in a number of areas in our brains (she makes cases for involvement of the cerebellum, basal ganglia, frontal lobe, and anterior insular cortex) and physiological symptoms of our bodies (such as physical discomfort and gut feelings- those feelings that are psychological but on the verge of physical).
Another link between our physical bodies and our perception of time was uncovered by Mark Price (paper is not yet published), who had time/space synesthetes (people who have vivid mental pictures of time- like the images below, for example) draw a diagram of how they see the months of the year. The participants then sit at a computer that randomly flashes up months on the screen, and they’re instructed to press one button for months early in the year and another for months occurring late in the year. He found that when the position of a person’s spatial representation of a month occurs in the same position as the key they need to press, they do so more quickly. For example, if March is in the left-hand corner of their mental map of the year, they’ll be quicker at hitting the key indicating that March occurs earlier in the year if that key is on the left side of the keyboard, and slower if the key is on the right side.
To me, this is a huge argument for embodied cognition. Time is a concept created by humans and not based in any physical thing, yet our physical body seems to have an inevitable influence over our perception of time. I wonder how much differences in our perceptiveness of bodily feelings affects our conceptualization of time…