A Quote by Sam Kean
The amygdala is one of those brain structures that a lot of people know a little bit about, and there's a definite tendency to conflate the amygdala and the fear response itself - as if the amygdala, and the amygdala alone, 'causes' fear.
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We've done fMRI scans of people taking the 'Reading the Eyes' test, and what we've found is that the amygdala lights up in trying to figure out people's thoughts and feelings. In people with autism, they show highly reduced amygdala activity.
The amygdala is indeed crucial for monitoring our environment and deciding what's worth getting worked up over. Once the amygdala determines this, however, it merely trips another circuit to actually produce the panic.
Emotional life grows out of an area of the brain called the limbic system, specifically the amygdala, whence come delight and disgust and fear and anger.
Bad news sells because the amygdala is always looking for something to fear.
Brains distinguish between an Us and a Them in a fraction of a second. Subliminal processing of a Them activates the amygdala and insular cortex, brain regions that are all about fear, anxiety, aggression, and disgust.
The amygdala in the emotional center sees and hears everything that occurs to us instantaneously and is the trigger point for the fight or flight response.
The relationship between the prefrontal cortex and the amygdala fundamentally changes with meditation.
To say that my anxiety is reducible to the ions in my amygdala is as limiting as saying that my personality or my soul is reducible to the molecules that make up my brain cells or to the genes that underwrote them.
The amygdala plays a crucial role in processing fear, and minus her two amygdalae, S.M. became unflappable. Studies of her are actually a hoot to read, since they basically consist of scientists concocting ever-more-elaborate ways of trying to scare her.
The amygdala is like a point guard in the emotional part of your middle brain. When it is overwhelmed, it hijacks you away from being able to access your upper rational brain and think and assess what to do. It essentially disables your ability to think.
The amygdala, along with related areas..., plays a crucial role in coordinating perceptions with memory and behavior. These regions are especially sensitive to social interactions.
Once we start believing that the apocalypse is coming, the amygdala goes on high alert, filtering out most anything that says otherwise.
Most of us know when we are about to react emotionally. We can feel it. Often there is a brief warning before the amygdala hijack. For some of us, it is butterflies in the stomach; for some, it is an increased heart rate, and for others, it is a feeling of agitation.
The brain of a person in love will show activity in the amygdala, which is associated with gut feelings, and in the nucleus accumbens, an area associated with rewarding stimuli that tends to be active in drug abusers. Or, to recap: the brain of a person in love doesn't look like the brain of someone overcome by deep emotion. It looks like the brain of a person who's been snorting coke.
It's perhaps not so much how your amygdala is tuned that makes you politically extreme, but that your intrinsic nervousness makes you more responsive to things that might seem to threaten your particular social world. Education probably plays an important role in dampening that response by allowing the brain's frontal lobes (where much of the brain's conscious work goes on) to counteract the emotional responses with a more considered view, so explaining why education is invariably the friend of liberal politics.
How do we regulate our emotions? The answer is surprisingly simple: by thinking about them. The prefrontal cortex allows each of us to contemplate his or her own mind, a talent psychologists call metacognition. We know when we are angry; every emotional state comes with self-awareness attached, so that an individual can try to figure out why he's feeling what he's feeling. If the particular feeling makes no sense—if the amygdala is simply responding to a loss frame, for example—then it can be discounted. The prefrontal cortex can deliberately choose to ignore the emotional brain.
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