The Left Hemisphere

Left Cerebral Hemisphere Functions

Left Parietal Temporal Cortex

Primary Sensory Functions

Sensation of right body
Perception of right visual field
Appreciation of sound from right ear

Cognitive Functions

Language Skills:

• comprehension and expression of oral and written language including storage and recall of symbols and nominals
• storage of common nouns and action verbs (inner vocabulary)
• rules of grammar and structure of language
• verbal word recognition (inner speech)

Praxias - command type
Emotional Functions
Denial, oppositional, non-compliance, and hostile anger (mania)
Obsessions and compulsions
"Learned" pessimism and negativity
Pedantic, rigid responses
Rationalization

Attentional Functions

Attentiveness to right space
Minor role in vigilance (tonic state)

Fundamental movement of right body
Right voluntary gaze
Clarity of verbal thought (freedom from auditory-verbal hallucinations and delusions)