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Functions of the Brain

Functions of the Brain

Brain Functions & Head Injuries

1. FRONTAL LOBE – Under forehead 

Functions of Frontal Lobe:

  • Tracking and sense of self
  • Involved in arousal and initiations
  • Consciousness of environment
  • Reaction to self and environment
  • Executive functioning and judgments
  • Emotional response and stability
  • Language usage
  • Personality
  • Word associations and meaning
  • Memory for habits motor activity

Injury to Frontal Lobe:

  • Difficulty planning OR completing complex task in order(Sequencing) e.g., making your bed
  • Loss of Spontaneity
  • Unconsciously repeating same actions / phrases (Perseveration)
  • Emotional Mood swings
  • Expressive language usage disorder OR word finding difficulty (Broca’s Aphasia)
  • Difficulty problem solving
  • Loss of simple movement of various body parts (Paralysis)
  • Difficulty staying focused OR concentrating

2. OCCIPITAL LOBE: back of head

Functions of Occipital Lobe: Visual Perception

Injury to Occipital Lobe:

  • Defects to visual field
  • Difficulty recognizing colors (Color Agnosia)
  • Hallucinations
  • Inaccurately seeing objects
  • Inability to recognize words
  • Difficulty recognizing drawn objects
  • Difficulty perceiving movement (Movement Agnosia)
  • Loss of academic skills – e.g., reading, writing

3. PARIETAL LOBES: Back & top of the head

Functions of Parietal Lobe:

  • Visual perception
  • Touch perception
  • Object manipulation
  • Integration of sensory information (for 1-concept understanding)
  • Goal-directed voluntary movements

Injury to Parietal Lobes:

  • Difficulties naming objects – Anomia
  • Difficulties writing words – Agraphia
  • Inability to focus visual attention
  • Problems with reading – Alexia
  • Poor eye-hand coordination
  • Confusing right from left
  • Difficulty calculating arithmetic – Dyscalculia
  • Difficulty drawing
  • Poor visual perception
  • Unaware of surroundings or body-parts causing diff self-care – Apraxia

4. TEMPORAL LOBE: On side of head above ears

Functions of Temporal Lobe:

  • Intelligence
  • Hearing perception
  • Long-term memory
  • Visual perception
  • Object categorizing – Categorization

Injury to Temporal Lobe:

  • Difficulty remembering names and faces – Prosopagnosia
  • Difficulty understanding spoken words – Wernicke’s Aphasia
  • Difficulty with identification of, and verbalization about objects
  • Difficulty with concentration
  • Short-term memory loss
  • Interference with long-term memory
  • Aggressive behavior
  • Change in sexual interest
  • Persistent talking (damage to right lobe)
  • Difficulty locating objects in environment
  • Inability to categorize objects
  • Seizure disorders, auras and strange reveries

To learn more about brain functions and head injuries, contact a North Chicago Brain Injury attorney today — 847-651-7191

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