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Human Error
“all occasions in which a planned sequence of mental or physical activity fails to achieve its intended outcome”.
Reason, 1990
3 Brains
• Reptilian - basic functions
• Mammalian - emotions
• Neocortex - higher functions, language etc
Prefrontal Cortex
• Newest part of our brain
• Executive Function
• Contains our conscious thoughts at any one time
• Two basic modes
• Serial processor
• Mental braking system
Prefrontal Cortex
• Newest part of our brain
• Executive Function
• Contains our conscious thoughts at any one time
• Two basic modes
• Serial processor
• Mental braking system
The brain’s limited mental resource
“We have a limited bucket of mental resources for mental activity like
decision making and impulse control, when we use these up we don’t have
as much for the next activity.”
DR Roy Beaumeister
‘With mental rehearsal, minds and bodies become trained to actually perform the
skill imagined’
Our PFC is an Experience Simulator
The Moment of Insight
•Requires a ‘quiet’ brain•60% of complex problems are
solved in this manner•Brain storming can inhibit
insight