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Misophonia - when certain sounds drive you crazy
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Misophonia
Misophonia is a neurophysiological condition where people have an excessively negative reaction to specific sounds, like slurping, humming, tapping, typing, or texting.
Misophonia means "hatred of sound" and people with this condition are aware of their overreaction, but can't control their reaction.
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The trigger sounds
The aversion to trigger sounds develops in childhood and tends to get worse over time.
The sounds are commonly related to the mouth, nasal sound, and hand sounds, and are more distressing if family members produce them.
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Misophonic responses
Anger is the most common misophonic response, followed by anxiety or disgust.
In misophonia, people react to sounds that are not widely considered unpleasant, such as whispering or soft breathing.
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Fight or flight
Misophonics are unable to ignore annoying sounds. It seems that selective attention may be impaired in these individuals. The only option when their attention becomes fixated on a trigger sound may be fight or flight.
The condition and treatment are still in its infancy, although some evidence suggests that cognitive-behavioral therapy may help.
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Laughter
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Laughter is a Complex Emotion
The complex emotion of laughter has the power to override other emotions. The neurotransmitters (brain circuits) are controlling the facial muscles and vocal architecture, giving priority to positive emotions.
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The Underlying Neural Functions
Various studies and research have shed some light on the underlying neural functions of the brain features that result in laughter being expressed by the body.
Pseudobulbar Affect Syndrome is a condition involving an unsettling exhibition of laughter, characterized by frequent, involuntary and uncontrollable outbursts of laughing and crying. This Syndrome is due to a disconnect between the frontal pathways of the brainstem, which control emotional drives, and is associated with several disorders like Alzheimer's disease, Parkinson's disease and stroke.