Summary Table with Lesions and Functions Frontal Lobe

Frontal
Function Lesion
General Premotor cortex (secondary) Lesion frontal lobe

Premotor cortex: action in response to environmental cue Poor temporal memory

Suppl. motor: initiates without cues

Frontal eye fields: stimulus-focused eye movements

Suppl. eye field: internal driven actions

Functions prefrontal cortex (primary)

Select appropriate movement (right time & place):
- Internal info (temporal memory)
- Response to external cues
- Response to context

LH: language-related movements (speech)

RH: non-verbal movements (facial expression)

Frontal lobe

Temporal memory
Primary Execute the movement (motor cortex) Decline in fine motor activity

Speed, force of movement

Hemiparesis + spasticity

Contralateral to the lesion