Neuroanatomy P2 - Lobes - Function & Damage

Neuroanatomy P2 - Lobes - Function & Damage

1. Frontal Lobe

   • Pre-Frontal
     • Consists of 1) Dorsolateral prefrontal & 2) Inferior Prefrontal
       • Dorsolateral prefrontal - Sends signals to parietal lobe
         • Damage - can lead to dependency of environmental stimuli
           • The Stroop Test - tests functionability
       • Inferior prefrontal - sends signals to Amygdala
         • Orbitofrontal
           • Cognitive processes and decision making
     • Function - deals with executive processes - recognition of consequences from actions
   • Damage
     • Movement & speed/strength
     • Speech - comprehension & structure
     • Winsonsin Card Sorting - detects neurodegenerate diseases
     • Impaired Sexual/Social Behav. (Addiction)
     • Schizophrenia / Parkinsons

2. Parietal Lobe

   • Functions
     • Object Recog.
     • Spacial Navigation
     • Movement
   • Damage
     • Sensory
       • Osomatognosis - No awareness of oneself.
       • Thresholds Distorted
     • Posterior Symptoms (found at back of lobe)
       • Impaired Spac. Awareness and Language
       • Finger Agonsia
       • Apraxia - Inability to execute learned actions

3. Occupital Lobe

   • Function
     • Colour
     • Also plays role in Object Recog
     • Motion / Position
   • Damage
     • Visual Agnosia
       • Loss of Vision - Color and Motion Deception
       • Notes and Slides for further example of agnosia

4. Temporal Lobe

   • Consists of
     • Limbic System
     • Amygdala
     • Hippocampus
   • Functions ranging from Visual AND Auditory
     • Long Term Memory
   • Slide 33
   • Damage
     • Visual / Auditory Perc. Disorder
     • Memory / Organisation Disorders
     • Personality Disorders