Add punctuation: Trouble remembering amnesia is related to our ability to fix things in our mind which depends on functional neurons and brain chemistry
A: Trouble remembering (amnesia) is related to our ability to fix things in our mind, which depends on functional neurons and brain chemistry.

Add punctuation: Rediscovery Insight Renewal
A: - Rediscovery, Insight, Renewal.

Add punctuation: The bands repertoire consists of some 60 of the Liverpool legends bestknown tunes Each song has been meticulously rehearsed after a careful study of studio performances and audio and video recordings from live concerts
A:
The band's repertoire consists of some 60 of the Liverpool legends' best-known tunes. Each song has been meticulously rehearsed after a careful study of studio performances and audio and video recordings from live concerts.