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Frontal Lobe Processing

Beschreibung

Mindmap am Frontal Lobe Processing, erstellt von Kayleigh Wain am 24/04/2014.
Kayleigh Wain
Mindmap von Kayleigh Wain, aktualisiert more than 1 year ago
Kayleigh Wain
Erstellt von Kayleigh Wain vor mehr als 11 Jahre
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Zusammenfassung der Ressource

Frontal Lobe Processing
  1. Primary Motor Cortex
    1. Posterior portion of frontal lobe
      1. represent each body part
        1. generates neural impulses to initiate movement
        2. Premotor cortex
          1. mirror neurones - empathy
            1. online coordination of movements for the primary motor cortex
              1. Imitation
                1. Lateral integrates sensory environmental information to guide body movement (object based actions)
                  1. Medial deals with overlearnt actions and sequences
                  2. Prefrontal cortex
                    1. Executive function
                      1. ventrolateral prefrontal cortex - dealing with abrupt onsets of change in the environment
                        1. dorsolateral prefrontal cortex - working memory, cognitive flexibility and planning, decision making
                          1. anterior prefrontal cortex - risk taking and higher cognitive processes
                            1. orbital prefrontal cortex - planning, reasoning and decision making
                            2. Personality, decision making, moderating social behaviour
                              1. selecting and maintaining actions according to goals
                                1. Orchestration of thoughts and actions
                                2. damage results in poor concentration, orientation, abstracting ability, judgement and problem solving
                                3. Action schema- programmed muscle movements which have specific goals - overlearnt
                                  1. Script - a series of schemas i.e driving
                                  2. object based actions - schemas and scripts based on frequently used items
                                    1. sensorimotor transformation - sensory stimuli are converted into motor commands
                                      1. perseveration
                                        1. utilisation behaviour - using an object appropriately at an incorrect time "grabbing" e.g. seeing a bottle that isn't theirs and drinking from it
                                          1. Supervisory attentional system - does what it says on the tin!
                                            1. contention scheduling - ensures the correct schema is activated
                                              1. optic ataxia - difficulty making movements in space
                                                1. occurs from damage to dorsal optic route
                                                  1. ventral optic route - occipital to temporal route (perceptual)
                                                    1. dorsal optic route - occipital to parietal (object in space)
                                                    2. Ekmans 6 basic emotions
                                                      1. disgust, happy, sad, fear, anger, surprise
                                                      2. amygdala
                                                        1. arousal and autonomic responses associated with fear, anger and pleasure
                                                        2. Insula
                                                          1. disgust witnessing something foul
                                                          2. basal ganglia
                                                            1. emotional prosody in speech
                                                              1. procedural learning and voluntary movements
                                                              2. Supplementary motor cortex
                                                                1. complex movements
                                                                2. Model of action
                                                                  1. Frontal apraxia - "motor agnosia"
                                                                    1. significant help needed with activities of daily living
                                                                    2. tempero-parietal junction
                                                                      1. false belief
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