Thalamic Nuclei Flashcards
Anterior Nucleus (A) Location: Input: Target: Function:
Anterior tubercle.
Mammillary bodies (hypothalamus).
Cingulate gyrus.
Emotions?
Dorsomedial (DM) or Mediodorsal (MD) Location: Input: Target: Function:
Medial to internal medullary lamina.
Amygdala, hypothalamus, spinal trigem nucleus, ALS.
Frontal lobe ant to motor areas & to orbital cortex.
Emotions and non-motor frontal lobe functions.
Ventral Anterior (VA) Location: Input: Target: Function:
Lateral to Int Med Lamina.
Globus Pallidus, cerebellum.
Premotor cortex.
Motor.
Ventral Lateral (VL) Location: Input: Target: Function:
Posterior to VA.
Globus pallidus, cerebellum.
Precentral g & premotor cortex.
Motor.
Ventral Posterolateral (VPL) Location: Input: Target: Function:
Posterior to VL.
Medial lemniscus (Dorsal Column Nuclei).
Postcentral gyrus.
Somatic sensation from body.
Ventral Posteromedial (VPM) Location: Input: Target: Function:
Medial to VPL.
Medial lemniscus (Trigem Sensory Nuclei).
Postcentral gyrus.
Somatic sensation from head.
Pulvinar (P) Location: Input: Target: Function:
Posterior thalamus.
Sup colliculus, occipital, temporal, parietal lobes.
Occipital, temporal, parietal lobes.
Visual perception, language.
Medial Geniculate (MGN) Location: Input: Target: Function:
Posterior ventral surface of thalamus.
Inferior colliculus.
Auditory cortex.
Audition.
Lateral Geniculate (LGN) Location: Input: Target: Function:
Posterior ventral surface of thalamus.
Optic tract.
Visual cortex.
Vision.
Intralaminar (ILN) Location: Input: Target: Function:
Embedded in Int Med Lamina.
RF, spinal cord, spinal trigem nuc, ALS, globus pallidus.
Basal ganglia, diffusely to cortex.
Attention, arousal.