Functions Of The Lobes

Frontal 

• Function 
  • Primary cortex = voluntary movement 
  • Broca's area 
  • Speech 
  • Concentration 
  • Judgement 
  • Reasoning 
  • Behavior 
• Impairments 
  • Expressive aphasia 
  • Change in behavior
  • Lack of focus 
  • Poor initiation of movement
  • Anti social 
  • Contralateral weakness (hemipersis) 

Parietal 

• Function 
  • Sensory cortex 
    • Hearing. vision, memory, spatial/visual perception 
  • Wernick's area  
• Impairment 
  • Contralateral weakness
    • Dominant 
      • Agraphia (difficulty with writing) 
      • Alexia (Inability to read or comprehend words )
      • Agnosia (Inability to interpret info or sensation )
    • Non-dominant  
      • Apraxia (Able to understand what the task is but has trouble with performing task due to sequencing issues )
      • Anosognosia (Impairment of awareness of disease or condition )
  • Receptive aphasia 

Temporal 

• Function 
  • Auditory cortex 
  • Wernick's area
  • Long term memory 
•  Impairments 
  • Receptive aphasia
  • Difficulty with recognition of familiar faces or objects due to memory deficit 

Occipital 

• Function 
  • Visual cortex
• Impairment 
  • Homonymous hemianopia (Impairment of vision on same side of both eyeballs usually results in neglect of a side)
  • Diplopia 
  • Or other visual impairments