The long-term goal of our research is to understand how the brain controls and monitors the actions it produces. The activity of ensembles of neurons will be monitored in monkeys performing countermanding (stopping) tasks. Experiments will manipulate the properties and context of the stop signal. The frontal eye field will be studied to further elucidate the neural activity that species whether and when a movement will occur. The supplementary eye field and anterior cingulate cortex will be studied to characterize the neural concomitants of supervisory control signals. Patterns of ensemble neural activity will be analyzed to evaluate specific hypothesis about how the brain prepares and initiates movements (Aim 1), monitors the consequences of movements (Aim 2) and generates supervisory control signals (Aim 3). Understanding how the brain control normal action in necessary to understand the causes of dyscontrol underlying various psychopathologies.
| Schall, Jeffrey D; Palmeri, Thomas J; Logan, Gordon D (2017) Models of inhibitory control. Philos Trans R Soc Lond B Biol Sci 372: |
| Godlove, David C; Schall, Jeffrey D (2016) Microsaccade production during saccade cancelation in a stop-signal task. Vision Res 118:5-16 |
| Thakkar, Katharine N; Schall, Jeffrey D; Heckers, Stephan et al. (2015) Disrupted Saccadic Corollary Discharge in Schizophrenia. J Neurosci 35:9935-45 |
| Ninomiya, Taihei; Dougherty, Kacie; Godlove, David C et al. (2015) Microcircuitry of agranular frontal cortex: contrasting laminar connectivity between occipital and frontal areas. J Neurophysiol 113:3242-55 |
| Logan, Gordon D; Yamaguchi, Motonori; Schall, Jeffrey D et al. (2015) Inhibitory control in mind and brain 2.0: blocked-input models of saccadic countermanding. Psychol Rev 122:115-47 |
| Thakkar, Katharine N; Schall, Jeffrey D; Logan, Gordon D et al. (2015) Response inhibition and response monitoring in a saccadic double-step task in schizophrenia. Brain Cogn 95:90-8 |
| Neggers, S F W; Zandbelt, B B; Schall, M S et al. (2015) Comparative diffusion tractography of corticostriatal motor pathways reveals differences between humans and macaques. J Neurophysiol 113:2164-72 |
| Thakkar, Katharine N; Schall, Jeffrey D; Logan, Gordon D et al. (2015) Cognitive control of gaze in bipolar disorder and schizophrenia. Psychiatry Res 225:254-62 |
| Middlebrooks, Paul G; Schall, Jeffrey D (2014) Response inhibition during perceptual decision making in humans and macaques. Atten Percept Psychophys 76:353-66 |
| Godlove, David C; Maier, Alexander; Woodman, Geoffrey F et al. (2014) Microcircuitry of agranular frontal cortex: testing the generality of the canonical cortical microcircuit. J Neurosci 34:5355-69 |
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