Focal neurologic deficits - Revision history

Danbot: Add verified PubMed references (PMIDs 34016709)

2026-03-22T10:58:59Z

Add verified PubMed references (PMIDs 34016709)

← Revisión anterior		Revisión del 10:58 22 mar 2026
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	==Background==		==Background==
	*Also known as focal neurologic signs		*Also known as focal neurologic signs <ref>Smith EE, et al. Cerebral Amyloid Angiopathy-Related Transient Focal Neurologic Episodes. Neurology. 2021 Aug 3;97(5):231-238. PMID 34016709</ref>
	*Refer to objective abnormalities of a specific region of the body detected on the neurologic examination		*Refer to objective abnormalities of a specific region of the body detected on the neurologic examination

Danbot: Strip excess bold

2026-03-22T09:26:29Z

Strip excess bold

← Revisión anterior		Revisión del 09:26 22 mar 2026
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	==Focal Neurologic Signs Organized by Region==		==Focal Neurologic Signs Organized by Region==
	===Brain===		===Brain===
	*~~'''~~Frontal Lobe~~'''~~		*Frontal Lobe
	**Damage to the frontal lobe can lead to the following signs:		**Damage to the frontal lobe can lead to the following signs:
	***[[Numbness\|Sensory]]/[[weakness\|motor]] deficit of the contralateral lower extremity		***[[Numbness\|Sensory]]/[[weakness\|motor]] deficit of the contralateral lower extremity
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	***Akinesia (lack of spontaneous movements)		***Akinesia (lack of spontaneous movements)
	***Impairment of memory		***Impairment of memory
	*~~'''~~Parietal Lobe~~'''~~		*Parietal Lobe
	**Damage to the parietal lobe can lead to the following signs:		**Damage to the parietal lobe can lead to the following signs:
	***Agnosia		***Agnosia
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	***Impairment of tactile sensation		***Impairment of tactile sensation

	*~~'''~~Temporal Lobe~~'''~~		*Temporal Lobe
	**Damage to the temporal lobe can lead to the following signs:		**Damage to the temporal lobe can lead to the following signs:
	***Upper homonymous quadrantanopsia		***Upper homonymous quadrantanopsia
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	***Kluver-Bucy syndrome (Bilateral disease. Compulsion to attend all visual stimuli, hyperorality, hypersexuality, blunted emotional reactivity)		***Kluver-Bucy syndrome (Bilateral disease. Compulsion to attend all visual stimuli, hyperorality, hypersexuality, blunted emotional reactivity)

	*~~'''~~Occipital Lobe~~'''~~		*Occipital Lobe
	**Damage to the temporal lobe can lead to the following signs:		**Damage to the temporal lobe can lead to the following signs:
	***Contralateral homonymous hemianopia		***Contralateral homonymous hemianopia
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	***Loss of topographic memory and visual orientation		***Loss of topographic memory and visual orientation

	*~~'''~~Limbic System~~'''~~		*Limbic System
	**Damage to the limbic system can lead to the following signs:		**Damage to the limbic system can lead to the following signs:
	***Retrograde amnesia (long-term memory loss)		***Retrograde amnesia (long-term memory loss)
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	***[[Nystagmus]], gaze paresis		***[[Nystagmus]], gaze paresis

	*~~'''~~Brainstem~~'''~~		*Brainstem
	**Damage to the brainstem can lead to the following signs:		**Damage to the brainstem can lead to the following signs:
	***Crossed deficits – [[weakness\|motor]] or [[numbness\|sensory]] involvement of the face on one side of the body and the arm and leg on the other side		***Crossed deficits – [[weakness\|motor]] or [[numbness\|sensory]] involvement of the face on one side of the body and the arm and leg on the other side

Rossdonaldson1: /* Evaluation */

2025-10-22T19:43:22Z

Evaluation

← Revisión anterior		Revisión del 19:43 22 oct 2025
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	==Evaluation==		==Evaluation==
			[[File:23-Sensory-Homonculus.png\|thumb\|Sensory Homonculus - courtesy AnatomyZone.com]]
	[[File:Spinal cord tracts.svg\|thumb\|Spinal cord tracts]]		[[File:Spinal cord tracts.svg\|thumb\|Spinal cord tracts]]
	[[File:Dermatomes and cutaneous nerves - anterior.png\|thumb\|Dermatomes and cutaneous nerves - anterior]]		[[File:Dermatomes and cutaneous nerves - anterior.png\|thumb\|Dermatomes and cutaneous nerves - anterior]]

ClaireLewis at 02:32, 3 October 2019

2019-10-03T02:32:54Z

← Revisión anterior		Revisión del 02:32 3 oct 2019
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	*'''Frontal Lobe'''		*'''Frontal Lobe'''
	**Damage to the frontal lobe can lead to the following signs:		**Damage to the frontal lobe can lead to the following signs:
	***~~Sensorimotor~~ deficit of the contralateral lower extremity		***[[Numbness\|Sensory]]/[[weakness\|motor]] deficit of the contralateral lower extremity
	***Language disturbances		***Language disturbances
	***Profound behavioral changes		***Profound behavioral changes
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	**Damage to the temporal lobe can lead to the following signs:		**Damage to the temporal lobe can lead to the following signs:
	***Upper homonymous quadrantanopsia		***Upper homonymous quadrantanopsia
	***Cortical deafness		***Cortical [[hearing loss\|deafness]]
	***Wernicke’s aphasia (word deafness, auditory verbal agnosia)		***Wernicke’s aphasia (word deafness, auditory verbal agnosia)
	***Hallucinations		***[[Hallucinations]]
	***Complex partial seizures		***Complex partial [[seizures]]
	***Kluver-Bucy syndrome (Bilateral disease. Compulsion to attend all visual stimuli, hyperorality, hypersexuality, blunted emotional reactivity)		***Kluver-Bucy syndrome (Bilateral disease. Compulsion to attend all visual stimuli, hyperorality, hypersexuality, blunted emotional reactivity)

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	**Damage to the temporal lobe can lead to the following signs:		**Damage to the temporal lobe can lead to the following signs:
	***Contralateral homonymous hemianopia		***Contralateral homonymous hemianopia
	***Cortical blindness (bilateral lesions)		***Cortical [[vision loss\|blindness]] (bilateral lesions)
	***Visual hallucinations		***Visual [[hallucinations]]
	***Prosopagnosia		***Prosopagnosia
	***Alexia without agraphia		***Alexia without agraphia
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	***Cerebellar		***Cerebellar
	***Damage to the cerebellum can lead to the following signs:		***Damage to the cerebellum can lead to the following signs:
	***Ataxia of voluntary movements		***[[Ataxia]] of voluntary movements
	***Intention tremor		***Intention [[tremor]]
	***Dysarthria		***[[Dysarthria]]
	***Postural abnormalities		***Postural abnormalities
	***Hypotonia		***Hypotonia
	***Incoordination		***Incoordination
	***Nystagmus, gaze paresis		***[[Nystagmus]], gaze paresis

	*'''Brainstem'''		*'''Brainstem'''
	**Damage to the brainstem can lead to the following signs:		**Damage to the brainstem can lead to the following signs:
	***Crossed deficits – motor or sensory involvement of the face on one side of the body and the arm and leg on the other side		***Crossed deficits – [[weakness\|motor]] or [[numbness\|sensory]] involvement of the face on one side of the body and the arm and leg on the other side
	***[[Cranial nerve]] palsies (see below)		***[[Cranial nerve]] palsies (see below)

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	[[Category:Neurology]]		[[Category:Neurology]]
			[[Category:Symptoms]]

Rossdonaldson1: /* Evaluation */

2017-04-03T15:49:25Z

Evaluation

← Revisión anterior		Revisión del 15:49 3 abr 2017
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	==Evaluation==		==Evaluation==
			[[File:Spinal cord tracts.svg\|thumb\|Spinal cord tracts]]
			[[File:Dermatomes and cutaneous nerves - anterior.png\|thumb\|Dermatomes and cutaneous nerves - anterior]]
			[[File:Dermatomes and cutaneous nerves - posterior.png\|thumb\|Dermatomes and cutaneous nerves - posterior]]
			[[File:Cutaneous innervation of the upper limb.svg\|thumb\|Cutaneous innervation of the upper limb]]
			[[File:Lower limb peripheral innervation.png\|thumb\|Lower limb peripheral innervation]]
	*Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]		*Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]

Rossdonaldson1 at 13:51, 30 March 2017

2017-03-30T13:51:16Z

← Revisión anterior		Revisión del 13:51 30 mar 2017
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	{{Peripheral nerve syndromes}}		{{Peripheral nerve syndromes}}

			==Evaluation==
			*Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]

	==Management==		==Management==
	*~~Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]~~		*Treat underlying condition

			==Disposition==
			*Depending on cause

	==See Also==		==See Also==

Rossdonaldson1: /* Peripheral Nerves */

2017-03-30T13:46:35Z

Peripheral Nerves

@@ Línea 66: / Línea 66: @@
 {{Spinal cord syndromes DDX}}
-===Peripheral Nerves===
+{{Peripheral nerve syndromes}}
 ==Management==

Rossdonaldson1: /* Spinal Cord Syndromes */

2017-03-30T13:44:32Z

Spinal Cord Syndromes

← Revisión anterior		Revisión del 13:44 30 mar 2017
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	{{Cranial nerve deficits}}		{{Cranial nerve deficits}}

	~~===Spinal Cord Syndromes===~~		{{Spinal cord syndromes DDX}}
	*[[Complete Spinal Cord Lesion]]
	*[[Brown-Sequard Syndrome]]
	*[[Central Cord Syndrome]]
	*[[Anterior Cord Syndrome]]
	*[[Epidural Compression Syndromes]]
	**[[Spinal cord ~~compression (non-traumatic)]]~~
	**[[Cauda equina syndrome]]
	**[[Conus medullaris syndrome]]
	**[[Epidural abscess (spinal)]]
	**[[Epidural hematoma (spinal)]]

	===Peripheral Nerves===		===Peripheral Nerves===

Rossdonaldson1 at 13:43, 30 March 2017

2017-03-30T13:43:38Z

← Revisión anterior		Revisión del 13:43 30 mar 2017
Línea 1:		Línea 1:
	==Background==		==Background==
	*Also known as focal neurologic signs		*Also known as focal neurologic signs
	*Refer to objective abnormalities of a specific region of the body detected on the neurologic examination.		*Refer to objective abnormalities of a specific region of the body detected on the neurologic examination

	==Focal Neurologic Signs Organized by Region==		==Focal Neurologic Signs Organized by Region==

Rossdonaldson1: /* Cranial Nerves (CN) */

2017-03-30T13:38:47Z

Cranial Nerves (CN)

@@ Línea 62: / Línea 62: @@
 ***[[Cranial nerve]] palsies (see below)
-===Cranial Nerves (CN)===
+{{Cranial nerve deficits}}
 ===Spinal Cord Syndromes===

← Revisión anterior		Revisión del 15:49 3 abr 2017
Línea 69:		Línea 69:

	==Evaluation==		==Evaluation==
			[[File:Spinal cord tracts.svg\|thumb\|Spinal cord tracts]]
			[[File:Dermatomes and cutaneous nerves - anterior.png\|thumb\|Dermatomes and cutaneous nerves - anterior]]
			[[File:Dermatomes and cutaneous nerves - posterior.png\|thumb\|Dermatomes and cutaneous nerves - posterior]]
			[[File:Cutaneous innervation of the upper limb.svg\|thumb\|Cutaneous innervation of the upper limb]]
			[[File:Lower limb peripheral innervation.png\|thumb\|Lower limb peripheral innervation]]
	*Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]		*Rule out acute causes of focal neurologic signs: [[Stroke (main)\|stroke]], [[hemorrhagic stroke]], [[intracranial hemorrhage]], [[meningitis]]