involved in our behavioural processes
Part of limbic system, located adjacent to and emotional responses, especially
the hippocampus when it comes to behaviours we need
for survival (feeding, reproduction,
The main job of the amygdala is to regulate fight or flight)
emotions, such as fear and aggression.
It is also involved in tying emotional meaning to
our memories, reward processing and decision EMOTION LEARNING
making. The amygdala can be conditioned to
respond to certain stimuli
The right amygdala is more strongly associated with negative
emotions such as fear and sadness, whereas the left amygdala
has been associated with both positive and negative emotional
responses.
MEMORY FORMATION
Groves and Schlesinger (1982) found The amygdala can act as a store for
that the removal of the amygdala traumatic memories, which can affect
reduces aggression in previously other functions of the brain
violent individuals.
AGGRESSION
Sawaddiruk et al (2017) found that It is the most important part for many
amygdala plays a role in pain by emotions, including aggression.
conducting a study with fibromyalgia
patients.
AMYGDALA DAMAGE SEXUAL ORIENTATION
George F. Koob (2009) found that Homosexual males tend to show
Difficulty forming memories
amygdala plays a role in withdrawal patterns in their amygdala alike to
stage of addiction and is the part of Difficulty recognizing those of heterosexual females
the brain making individuals crave emotionsc
more of the substance. Hypervigilance
MENTAL DISORDERS
OCD, social anxiety, PTSD are
Overly expressed emotions
related to overactive amygdala.
AMYGDALA HIJACK URBACH-WIETHE DISEASE Feinstein, J.S., et al. (2013). Fear and
An intense emotional response to stress Is a genetic condition that causes panic in humans with bilateral amygdala
that ‘hijacks’ and overtakes decision- amygdala to gradually harden and damage. Nature Neuroscience, DOI:
10.1038/nn.3323
making and thinking. shrivel away.
Short questionnaire for revision
Regardless of technological development and existence of CT scans and MRI, amygdala is a pretty challenging part of the brain to study due to its location and entanglement with other brain structures.