In addition to their well-known role in skeletal movements, the basal ganglia control
saccadic eye movements (saccades) by means of their connection to the superior colliculus …

Dopamine (DA) acts as a key neurotransmitter in the brain. Numerous studies have shown
its regulatory role for motor and limbic functions. However, in the early stages of Parkinson's …

A patient with the neglect syndrome fails to report, or to respond or orient to, novel or
meaningful stimuli presented to the side opposite a brain lesion.'The definition does not …

The discovery that the brain contains neurons utilizing dopamine (DA) as their transmitter
has led to studies of the behavioral function of these neurons. Changes in overall level of …

VISUAL, AUDITORY, AND SACCADE RESPONSES 1231 site and was sometimes
enhanced when auditory stimulation was associated with a subsequent saccade toward the …

107 with treatments that affect the arousal of the animals is also implied on the basis of the
behavioral changes induced in the lesioned animals by amphetamine administration and by …

We describe and demonstrate the usefulness of a reliable procedure for quantifying
“sensorimotor” asymmetries in rats with nigrostriatal damage. Conventional tests, such as …

The existence of crossed multisynaptic pathways that allow for the interdependent control of
activity in one substantia nigra and its contralateral counterpart has been inferred from a …

Although Parkinson's disease has traditionally been considered as a motor disorder1, 2,
there has been much recent interest in the nature and the neural substrates of parkinsonian …

The striato-nigro-collicular pathway is one of the neuronal circuits through which basal
ganglia can influence ocular and cephalic motricity. Through this pathway striatal signals are …