... To fill in gaps in their memory they may also confabulate, or make up false bits of memories, that they believe to be true. Other causes of amnesia may result from surgical lesions conducted for the relief of epilepsy, infection of the brain or encephalitis and head injury. Amnesia is linked to causing bilateral damage to a number of structures located in the forebrain; including the temporal lobes of the cortex, and parts of the limbic system underlying the cortex, in particular, the hippocampus, mamillary bodies, and damage to the frontal lobes is also possible. Organic amnesia is characterised by both retrograde and anterograde amnesia. Retrograde amnesia refers to the loss of memory for events before any brain damage was incurred. Anterograde amnesia is when a patient usually show normal memory for events before the incident responsible for the memory deficit, but has trouble when trying to recall information about events ...

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