Ethical issues in intraoperative neuroscience research: assessing subjects' recall of informed consent and motivations for participation

A Wexler, RJ Choi, AG Ramayya, N Sharma… - AJOB empirical …, 2022 - Taylor & Francis
Background An increasing number of studies utilize intracranial electrophysiology in human
subjects to advance basic neuroscience knowledge. However, the use of neurosurgical …

Neural circuit and clinical insights from intraoperative recordings during deep brain stimulation surgery

A Tekriwal, NM Afshar, J Santiago-Moreno, FM Kuijper… - Brain sciences, 2019 - mdpi.com
Observations using invasive neural recordings from patient populations undergoing
neurosurgical interventions have led to critical breakthroughs in our understanding of …

[HTML][HTML] Human Substantia Nigra Neurons Encode Reward Expectations

Z Imtiaz, A Kato, BH Kopell, SE Qasim, AN Davis… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Dopamine (DA) signals originating from substantia nigra (SN) neurons are centrally involved
in the regulation of motor and reward processing. DA signals behaviorally relevant events …

A neural circuit mechanism for the involvements of dopamine in effort-related choices: decay of learned values, secondary effects of depletion, and calculation of …

K Morita, A Kato - eneuro, 2018 - eneuro.org
Dopamine has been suggested to be crucially involved in effort-related choices. Key
findings are that dopamine depletion (i) changed preference for a high-cost, large-reward …

Motor context modulates substantia nigra pars reticulata spike activity in patients with Parkinson's disease

A Tekriwal, G Felsen, SG Ojemann… - Journal of Neurology …, 2022 - jnnp.bmj.com
Objective The severity of motor symptoms in Parkinson's disease (PD) depends on
environmental conditions. For example, the presence of external patterns such as a rhythmic …

Basal Ganglia Control of Paradoxical Parkinsonian Movements

A Tekriwal - 2022 - search.proquest.com
Motor symptoms associated with Parkinson's disease (PD) are thought to result from a
pathological increase in the tonic baseline firing rate of basal ganglia output neurons …

Expectation Effect Encoding in Human Substantia Nigra Neurons

Z Imtiaz - 2023 - search.proquest.com
Dopaminergic neurons have been known to encode reward prediction errors increasing
their firing rate after an unexpected reward. Here, we aimed to examine whether human …