Symbolic Functions

They are specific to humans and are the result of higher nervous activity.

Phatic fuction
These include the ability to speak, read, write, calculate and think in abstract terms including semantics (the meaning of words).

Gnostic functions
They are the result of a higher synthesis of sensory perception. They make it possible to recognize objects by sight, hearing and touch.

Practical functions
It includes the ability to perform more complex purposeful movements

Dominant Hemisphere
It is primarily responsible for phatic, less practical and least Gnostic functions. The dominant hemisphere mainly provides the following functions:


 * Speech
 * Reading
 * Writing
 * Counting
 * Comprehension and repetition (words, sentences)
 * Logical and analytical thinking

Non-dominant hemisphere
It ensures visual and spatial perception, behavior and orientation in the contralateral half of space. The majority of the population has a non-dominant right hemisphere, so this hemisphere will ensure the perception of the left half of space. Furthermore, the non-dominant hemisphere adds an affective and emotional component to speech.

Related articles

 * Disorders of symbolic functions
 * Speech disorders