Saccades

• 

  Subject Areas on Research

  • A circuit model for saccadic suppression in the superior colliculus. 
  • A framework for using signal, noise, and variation to determine whether the brain controls movement synergies or single muscles. 
  • A pathway in primate brain for internal monitoring of movements. 
  • A tale of two species: Neural integration in zebrafish and monkeys. 
  • Accuracy of saccades to remembered targets as a function of body orientation in space. 
  • Acquisition of context-specific adaptation is enhanced with rest intervals between changes in context state, suggesting a new form of motor consolidation. 
  • Afferent delays and the mislocalization of perisaccadic stimuli. 
  • Allocentric spatial referencing of neuronal activity in macaque posterior cingulate cortex. 
  • Auditory saccades from different eye positions in the monkey: implications for coordinate transformations. 
  • Auditory signals evolve from hybrid- to eye-centered coordinates in the primate superior colliculus. 
  • Brain circuits for the internal monitoring of movements. 
  • Characteristics of antidromically identified oculomotor internuclear neurons during vergence and versional eye movements. 
  • Circuits for presaccadic remapping 
  • Compensatory saccades made to remembered targets following orbital displacement by electrically stimulating the dorsomedial frontal cortex or frontal eye fields of primates. 
  • Composition and topographic organization of signals sent from the frontal eye field to the superior colliculus. 
  • Context-specific adaptation of saccade gain in parabolic flight. 
  • Context-specific adaptation of saccade gain is enhanced with rest intervals between changes in context state. 
  • Context-specific adaptation of saccade gain. 
  • Contribution of superficial layer neurons to premotor bursts in the superior colliculus. 
  • Cortical networks subserving pursuit and saccadic eye movements in humans: an FMRI study. 
  • Delay activity of saccade-related neurons in the caudal dentate nucleus of the macaque cerebellum. 
  • Division of labor in frontal eye field neurons during presaccadic remapping of visual receptive fields. 
  • Effect of mean reaction time on saccadic responses to two-step stimuli with horizontal and vertical components. 
  • Effects of reward and behavioral context on neural activity in the primate inferior colliculus. 
  • Electrically evoked saccades from the dorsomedial frontal cortex and frontal eye fields: a parametric evaluation reveals differences between areas. 
  • Electrophysiological recordings in humans reveal reduced location-specific attentional-shift activity prior to recentering saccades. 
  • Elevated antisaccade error rate as an intermediate phenotype for psychosis across diagnostic categories. 
  • Enhancement of multiple components of pursuit eye movement by microstimulation in the arcuate frontal pursuit area in monkeys. 
  • Excessive daytime somnolence and increased rapid eye movement pressure in myotonic dystrophy. 
  • Exploring the superior colliculus in vitro. 
  • Express averaging saccades in monkeys. 
  • Express saccades elicited during visual scan in the monkey. 
  • Eye movement impairment and schizotypal psychopathology. 
  • Eye tracking, attention, and schizotypal symptoms in nonpsychotic relatives of patients with schizophrenia. 
  • Eye tracking, schizophrenic symptoms, and schizotypal personality disorder. 
  • Eye-centered, head-centered, and complex coding of visual and auditory targets in the intraparietal sulcus. 
  • Feature-specific clusters of neurons and decision-related neuronal activity. 
  • Frontal eye field neurons assess visual stability across saccades. 
  • Frontal eye field neurons orthodromically activated from the superior colliculus. 
  • Frontal eye field sends delay activity related to movement, memory, and vision to the superior colliculus. 
  • Functional MR imaging using a visually guided saccade paradigm for comparing activation patterns in patients with probable Alzheimer's disease and in cognitively able elderly volunteers. 
  • High-field FMRI reveals brain activation patterns underlying saccade execution in the human superior colliculus. 
  • How is a sensory map read Out? Effects of microstimulation in visual area MT on saccades and smooth pursuit eye movements. 
  • Identity of a pathway for saccadic suppression. 
  • Increases in impulsivity following smoking abstinence are related to baseline nicotine intake and boredom susceptibility. 
  • Interactions between target location and reward size modulate the rate of microsaccades in monkeys. 
  • Linked target selection for saccadic and smooth pursuit eye movements. 
  • Links from complex spikes to local plasticity and motor learning in the cerebellum of awake-behaving monkeys. 
  • Looking at the ventriloquist: visual outcome of eye movements calibrates sound localization. 
  • Medial versus lateral frontal lobe contributions to voluntary saccade control as revealed by the study of patients with frontal lobe degeneration. 
  • Metacognition in monkeys during an oculomotor task. 
  • Motor-related signals in the intraparietal cortex encode locations in a hybrid, rather than eye-centered reference frame. 
  • Multielectrode evidence for spreading activity across the superior colliculus movement map. 
  • Neuronal adaptation caused by sequential visual stimulation in the frontal eye field. 
  • Neuronal correlates of visual time perception at brief timescales. 
  • Neurons in anterior cingulate cortex multiplex information about reward and action. 
  • Oblique saccadic eye movements of primates. 
  • Oculomotor function in frontotemporal lobar degeneration, related disorders and Alzheimer's disease. 
  • Ophthalmology issues in schizophrenia. 
  • Optimizing interoperability between video-oculographic and electromyographic systems. 
  • Oxytocin blunts social vigilance in the rhesus macaque. 
  • Positive after-image, PAI: early erasure by saccadic eye movement or Jendrassik manoeuvre. 
  • Postsaccadic enhancement of initiation of smooth pursuit eye movements in monkeys. 
  • Prefrontal cortex neurons reflecting reports of a visual illusion. 
  • Properties of signals that determine the amplitude and direction of saccadic eye movements in monkeys. 
  • Reading neural representations. 
  • Relationship between eye acceleration and retinal image velocity during foveal smooth pursuit in man and monkey. 
  • Representation of attended versus remembered locations in prefrontal cortex. 
  • Responses of Purkinje cells in the oculomotor vermis of monkeys during smooth pursuit eye movements and saccades: comparison with floccular complex. 
  • Responses of intraparietal neurons to saccadic targets and visual distractors. 
  • Reversible inactivation of macaque dorsomedial frontal cortex: effects on saccades and fixations. 
  • Reversible inactivation of macaque frontal eye field. 
  • Reversible inactivation of pSTS suppresses social gaze following in the macaque (Macaca mulatta). 
  • Role of arcuate frontal cortex of monkeys in smooth pursuit eye movements. I. Basic response properties to retinal image motion and position. 
  • Role of intrinsic synaptic circuitry in collicular sensorimotor integration. 
  • Role of primate medial vestibular nucleus in long-term adaptive plasticity of vestibuloocular reflex. 
  • Saccade reward signals in posterior cingulate cortex. 
  • Saccades exert spatial control of motion processing for smooth pursuit eye movements. 
  • Saccades to somatosensory targets. I. behavioral characteristics. 
  • Saccades to somatosensory targets. II. motor convergence in primate superior colliculus. 
  • Saccades to somatosensory targets. III. eye-position-dependent somatosensory activity in primate superior colliculus. 
  • Segregation of object and background motion in visual area MT: effects of microstimulation on eye movements. 
  • Sensory, motor, and combined contexts for context-specific adaptation of saccade gain in humans. 
  • Serial linkage of target selection for orienting and tracking eye movements. 
  • Serotonin shapes risky decision making in monkeys. 
  • Signal transformations from cerebral cortex to superior colliculus for the generation of saccades. 
  • Similar prevalence and magnitude of auditory-evoked and visually evoked activity in the frontal eye fields: implications for multisensory motor control. 
  • Spatial generalization of learning in smooth pursuit eye movements: implications for the coordinate frame and sites of learning. 
  • Temporal properties of visual motion signals for the initiation of smooth pursuit eye movements in monkeys. 
  • The eardrums move when the eyes move: A multisensory effect on the mechanics of hearing. 
  • The frontal eye field as a prediction map. 
  • The representation of time for motor learning. 
  • The spatial relationship between scanning saccades and express saccades. 
  • Vertical gaze paralysis and intermittent unresponsiveness in a patient with a thalamomesencephalic stroke. 
  • Visual and saccade-related activity in macaque posterior cingulate cortex. 
  • Visual continuity across saccades is influenced by expectations. 
  • Visual perception and corollary discharge. 
  • Visual- and saccade-related signals in the primate inferior colliculus. 
  • What the brain stem tells the frontal cortex. I. Oculomotor signals sent from superior colliculus to frontal eye field via mediodorsal thalamus. 
  • What the brain stem tells the frontal cortex. II. Role of the SC-MD-FEF pathway in corollary discharge. 
• 

  Keywords of People

  • Groh, Jennifer M., Professor of Psychology and Neuroscience, Center for Cognitive Neuroscience
  • Schmehl, Meredith, Student, Neurobiology