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Which lobe, if damaged, can cause us to no longer have dreams?

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Final answer:

Damage to the temporal lobes can disrupt the ability to dream, as they are involved in memory formation and neural activity during REM sleep.

Step-by-step explanation:

The temporal lobes, particularly areas associated with the limbic system and memory formation, are involved in the process of dreaming. A famous case that helps elucidate this is the patient known as H.M., who suffered from anterograde amnesia following the removal of both temporal lobes, including the hippocampi. While this surgery was intended to control seizures, it greatly impaired his declarative memory and ability to form new memories. Dream content is believed to be linked to our memories and experiences.

Therefore, damage to the temporal lobes could potentially disrupt the dreaming process. Additionally, neuroscientist Alan Hobson's activation-synthesis theory of dreaming points to the significance of neural activity during REM sleep, which is coordinated by various brain regions, including the temporal lobe.

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