Neuroanatomic Localization of Lesions Chart

A lesion causing altered mentation is in which part of the CNS?

- Forebrain

A lesion causing seizures is in which part of the CNS?

- Forebrain

A lesion causing CN deficits (generalized) is in which part of the CNS?

- Forebrain

A lesion causing head pressing is in which part of the CNS?

- Forebrain

A lesion causing circling (toward the lesion) is in which part of the CNS?

- Forebrain

A lesion causing postural deficits (contralateral) is in which part of the CNS?

- Forebrain

A lesion causing behavioral changes is in which part of the CNS?

- Forebrain

A lesion causing a head turn is in which part of the CNS?

- Forebrain

A lesion causing dysmetria/hypermetria is in which part of the CNS?

- Cerebellum

A lesion causing truncal ataxia is in which part of the CNS?

- Cerebellum

A lesion causing intention tremors is in which part of the CNS?

- Cerebellum

A lesion causing central vestibular signs is in which part of the CNS?

- Cerebellum or brainstem

A lesion causing postural deficits (ipsilateral) is in which part of the CNS?

- Cerebellum

A lesion causing altered mental status (RAS) is in which part of the CNS?

- Brainstem

A lesion causing CN deficits (III-XII) is in which part of the CNS?

- Brainstem

A lesion causing weakness/ataxia is in which part of the CNS?

- Brainstem

A lesion causing postural deficits (generalized) is in which part of the CNS?

- Brainstem or peripheral nervous sytem/peripheral neuropathy

A lesion causing irregular respiration is in which part of the CNS?

- Brainstem

A lesion causing a head tilt is in which part of the CNS?

- Brainstem or peripheral vestibular system

A lesion causing ataxia without weakness is in which part of the CNS?

- Peripheral vestibular system

A lesion causing CN deficits (VII +/- V) is in which part of the CNS?

- Peripheral vestibular system

A lesion causing nystagmus is in which part of the CNS?

- Peripheral vestibular system

A lesion causing Horner's Syndrome is in which part of the CNS?

- Peripheral vestibular system

A lesion causing paresis/paralysis is in which part of the CNS?

- Spine

A lesion causing ataxia (generalized) is in which part of the CNS?

- Spine

A lesion causing muscle atrophy is in which part of the CNS?

- Spine or muscle/myopathy

A lesion causing UMN vs LMN sign is in which part of the CNS?

- Spine

A lesion causing spinal pain is in which part of the CNS?

- Spine

A lesion causing flaccid paresis/paralysis is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing reduced to absent spinal reflexes is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing denervation atrophy is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing decreased pain response is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing paraesthesia is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing decreased tear and saliva production is in which part of the CNS?

- Peripheral nervous system/peripheral neuropathy

A lesion causing general weakness is in which part of the CNS?

- Muscle/myopathy

A lesion causing a stiff, stilted gait is in which part of the CNS?

- Muscle/myopathy

A lesion causing contractures is in which part of the CNS?

- Muscle/myopathy

A lesion causing pain on muscle palpation is in which part of the CNS?

- Muscle/myopathy