OUTLINE

INTRODUCTION

DEFINITION

COMPONENTS

NEUROANATOMY

PHYSIOLOGY

PATHOPHYSIOLOGY

CLINICAL RELEVANCE IN PSYCHIATRY

CONCLUSION

REFERENCES

INTRODUCTION/DEFINITION

•The extrapyramidal pathways are of great relevance in Psychiatry.

•Major morbidities and even mortalities can arise as a result of pathologies or iatrogenicities affecting these extrapyramidal systems.

•Specific descending motor tracts majorly involved in involuntary movements and do not pass through the medullary pyramids, but via the tegmentum.