Brain Structures

Brain structures

Structure

Function

Blood Supply

Symptoms of dysfunction

Tests

Cerebellum Motor coordination, precision and timing – Superior Cerebellar art.

– Posterior Inferior Cerebellar art. (PICA)

– Anterior Inferior Cerebellar art. (AICA)

Dysdiadochokene..
Ataxia
Nystagmus
Intention tremor
Slurred speech
Hypotonia
Wide based gait

Imbalance/toppling forward

Rapid alternating hand

Heel-to-shin

Finger-to-nose

Midbrain Control of eye movement and localisation of sound (with pons) Of Basilar art:
– Posterior Cerebral art.
– Superior Cerebellar

– Posterior Communicating art.

– Anterior Chorodial art.

Ipsilateral CNIII palsy
– weak lateral gaze
Contralateral hemiparesis
‘H’ test

Motor testing

Pons Regulation of breathing, sleep cycles, arousal, relaying info between cerebellum and cerebrum Pontine branches of Basilar:

– Paramedian Branches

– Short Circumferencial art.

– Long circumferencial art.

– AICA

Ipsilateral medial strabismus

Contrlateral hemiparesis

Observation and ‘H’ test

Motor testing

Medulla Oblongata Regulation of breathing, digestion, sneezing, swallowing, heart and blood vessel function Anterior spinal artery:

Hypoglossal nerve, Vagus nerve, median longitudinal fasciculus (MLF), pyramids, medial lemniscus

 

 

 

 

 


– – – – – – – – – – –  

PICA

Spinothalamic tract

Nucleus ambiguus

Hypothalamic spinal tract

Medial Medullary syndrome

Ipsliateral tongue deviation

Contralateral hemiparesis

Contralateral reduced discriminatory touch

Contralateral reduced proprioception

Contralateral reduced vibration sense

– – – – – – – – – – – 

Lateral Medullary Sydrome
Dysphagia
Dysarthria
Dysphonia
Ipsi. Reduced facial pain and temp
Ipsi. Horner’s syndrome
Ipsi. Cerebellar symptoms
Contra. reduced body pain and temp
Vertigo
Vomiting

Protrusion of tongueMotor testing
2 point discriminatory

Joint position test
Vibrating tuning fork

 

 

 

 

 

——————

 

Observation

Further questioning

Neurotips

Cold tuning fork

Ptosis, Miosis etc
DANISH

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s