PATHOLOGICAL REFLEXES
Derya Yavuz Demiray
Hatay Mustafa Kemal University, Faculty of Medicine, Department of Neurology, Hatay, Türkiye
Yavuz Demiray D. Pathological Reflexes. In: Duman T, editor. Reflexes The Codes of Neurology. 1st ed. Ankara: Türkiye Klinikleri; 2025. p.231-242.
ABSTRACT
The Babinski sign, a hallmark of neurological examination, has played a pivotal role in identifying corticospinal tract impairments since its discovery in 1896 by Joseph Babinski. This reflex, manifesting as dorsiflexion of the great toe and fanning of the lesser toes upon stimulation of the sole, serves as a critical indicator of upper motor neuron lesions. Its relevance extends beyond pathology, with physiological variations observed in infants due to incomplete myelination. This paper provides a comprehensive exploration of the Babinski sign’s historical evolution, anatomical basis, clinical procedures and pathophysiological implications. Additionally, it highlights various Babinski sign equivalents, developed to enhance diagnostic precision in pyramidal tract disorders. These include Chaddock’s, Oppenheim’s and gordon’s signs, among others, each targeting specific anatomical reflexogenic zones. Despite advancements in neuroimaging and electrophysiology, the Babinski sign and its variants remain indispensable in modern neurology, offering nuanced insights into corticospinal tract dysfunction while underscoring the need for standardized techniques to maximize diagnostic reliability.
Keywords: Pathological reflexes; Plantar reflex; Babinski reflex; Babinski equivalents; Chaddock reflex; hoffman reflex; gordon sign; Oppenheim sign
Kaynak Göster
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