Head retraction reflex!!!
“the great neurologist and neurosurgeon from Breslau (Wrocław)”
German neurologist and neurosurgeon Otfrid Foerster (1873–1941)
#MedTwitter #neurotwitter #EndNeurophobia #tweetorials
1/
History
Head retraction reflex is a “triphasic cutaneomuscular reflex” related to the trigeminal system with some pyramidal control.
2/
Features
“reflex hammer tap below nose with head bent forward cause backward jerk of the head”
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
3/
Head retraction reflex: Niemann‐Pick Type C
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002%2Fmdc3… via: Mov Disord Clin Pract
4/
Head retraction reflex: Niemann‐Pick Type C
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002%2Fmdc3… via: Mov Disord Clin Pract
5/
Head retraction reflex: Niemann‐Pick Type C
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002%2Fmdc3… via: Mov Disord Clin Pract
6/
Head retraction reflex: p.R392H mutation in GLRA1
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
jle.com/10.1684/epd.20… via: Epileptic disorders
7/
Head retraction reflex: GLRA1 mutation
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002/mds.24… via: Mov Disord
8/
Head retraction reflex: GLRA1 mutation
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002/mds.24… via: Mov Disord
9/
Head retraction reflex: GLRA1 mutation
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002/mds.24… via: Mov Disord
10/
Head retraction reflex: GLRA1 mutation
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002/mds.24… via: Mov Disord
11/
Head retraction reflex: GLRA1 mutation
- exaggerated response
- considered a frontal release sign
- hyperreflexia
- triphasic cutaneomuscular reflex
doi.org/10.1002/mds.24… via: Mov Disord
12/
Other frontal release signs
Palmar grasp, palmomental, rooting & sucking, snout, glabellar, and corneomandibular
13/
Share this Scrolly Tale with your friends.
A Scrolly Tale is a new way to read Twitter threads with a more visually immersive experience.
Discover more beautiful Scrolly Tales like this.