Traumatic narratives are often described as incomplete, fragmented and incoherent, which can be considered a reflection of the memory and emotional difficulties in encoding, processing and integrating the traumatic event into the autobiographic memory
. People experiencing physical or emotional pain tend to focus their attention on themselves and subsequently use more first-person singular pronouns.
She added: 'Brain scans of people with sleep apnoea show they have a significant loss of grey matter from regions that overlap with the autobiographic memory
The left hippocampus plays an important role in episodic and autobiographic memory
while the right hippocampus is more important for spatial memory  The right hippocampal volume was positively correlated with delayed memory in both men and women, the left hippocampal volume was positively correlated with immediate memory in both men and women, and the left hippocampal volume was also positively correlated with delayed memory in both men and women (though the correlation in women was only at the trend level [p = 0.054]).