Earlier, Dr Ian Bownes, a consultant psychiatrist with the Western Health and Social Services Trust in Northern Ireland, gave evidence. He
told the jury that Seamus was "suffering from a mental disorder and a significant brain abnormality" at the time of the alleged murder.
Previously, the court heard that a scan revealed damage to Seamus' brain. Dr Bownes
said that this "brain lesion", as well as a number of tests carried out, means that Seamus has a number of "deficits" including an "abnormally low threshold for discharging aggression and an abnormally limited ability to appropriately contain negative feelings".He
said that Seamus' inhibitory mechanisms are "not as well refined and functioning as others of his