PSYC 1000 Lecture Notes - Lecture 3: Diffusion Mri, Phineas Gage, Prefrontal Cortex

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Paula Barata

Document Summary

Functional changes in people with brain damage ( h. m. , phineas gage. Experimenting with animals (lesions-operate on brain ect- cut out parts of brain and see different examples of personalities) and people (stimulation- viewing the brain) Damage to prefrontal cortex rod from his work went through head. Prefrontal cortex very importand in decisions- ability to plan, make decisions. Personality change occurred although he still lead a semi-normal life. Structural neuroimaging : computerized (axial) tomography scan (ct scan) Positron emission tomography (pet scan) fmri {psychopaths} see brain working because the pictures are taken so quickly ( functional mri) Oldest part of brain ( medulla) breathing , basic systems. Pons helps coordinate movement, including conscious and. Thalamus relay centre: sent to appropriate parts of brain where info. Reticular formation- goes through bain stem- helps communicate unconscious movements information will be processed. Limbic system: largly related to emotional processing, memory. Hippocampus- long term memories , memory formation. Amygdala emotions, survival instints and memory.