Neural and Behavioral Psychology Studies

Reversed functional gradient in primate prefrontal cortex: posterior dominance and frontopolar deactivation

This study challenges the idea of anterior dominance in primate prefrontal cortex by showing posterior dominance in task-related signals and frontopolar deactivation in macaques.

Action planning modulates perceptual confidence through action monitoring processes

The paper investigates how action planning affects perceptual confidence, finding that incongruent action plans increase confidence through enhanced action monitoring.

Neural correlates of memory updating in the primate prefrontal cortex

This study investigates neuronal activity in the primate prefrontal cortex during memory updating tasks and finds that some neurons show transient activity when memory is no longer needed, while others show sustained activity during memory retention.

Multidimensional components of impulsivity during early adolescence: Relationships with brain networks and future substance-use in the Adolescent Brian and Cognitive Development (ABCD) study

The paper identifies latent impulsivity dimensions in adolescents using PCA and links them to substance use and brain network connectivity in the ABCD study.

The reward positivity is insensitive to reinforcer devaluation

This study investigates whether the reward positivity (RewP) changes with reinforcer devaluation and finds no significant differences in RewP amplitudes after devaluation.

Neural evidence that humans reuse strategies to solve new tasks

The paper shows humans reuse learned strategies for new tasks using a computational process involving successor features and generalised policy improvement, supported by neural activation patterns.

The Cerebellum and Striatum in Reward Processing: Caring About Being Right vs. Caring About Reward

The paper investigates how the cerebellum and ventral striatum process social rewards using fMRI, finding the cerebellum responds uniformly to feedback regardless of reward valence, unlike the striatum.

Focused ultrasound neuromodulation of mediodorsal thalamus disrupts decision flexibility during reward learning

This study shows that disrupting the mediodorsal thalamus with focused ultrasound reduces decision flexibility during reward learning in patients with essential tremor.

A State-Dependent Drift Diffusion Model Reveals Mice Actively Explore A Speed-Accuracy Continuum During Decision-Making

The paper introduces a state-dependent drift diffusion model to show mice switch between impulsive and deliberative decision states during tasks, revealing active exploration of the speed-accuracy trade-off.

Bidirectional modulation of reward-guided decision making by dopamine

This study shows dopamine modulates how much reward attributes influence decisions without changing the integration strategy.

Lateral Orbitofrontal Cortex Encodes Presence of Risk and Subjective Risk Preference During Decision-Making

This study shows that lateral orbitofrontal cortex encodes environmental risk and subjective risk preference during decision-making in rats, with risk-preferring rats showing reduced risk encoding and increased reward magnitude encoding.

Direct and indirect striatal projecting neurons exert strategy-dependent effects on decision-making.

The paper identifies strategy-dependent roles of direct and indirect striatal projecting neurons in decision-making using a mouse gambling task and reinforcement-learning model.

Stimulus uncertainty and relative reward rates determine adaptive responding in perceptual decision-making

This paper investigates how stimulus uncertainty and relative reward rates influence adaptive decision-making in rats and pigeons, showing that models incorporating these factors better explain behavior than existing models.

A Measure of Event-Related Potentials (ERP) Indices of Motivation During Cycling

This study assesses the feasibility of measuring motivation during cycling using ERP indices, finding that P300 amplitude correlates with motivation and is affected by cycling exertion.

An automatic domain-general error signal is shared across tasks and predicts confidence in different sensory modalities

The paper shows a neural signal predicting confidence across different sensory tasks without explicit feedback.

Parietal cortex is recruited by frontal and cingulate areas to support action monitoring and updating during stopping

The paper shows that the intraparietal sulcus (IPS) is functionally connected to frontal and cingulate regions during action stopping, with different connectivity patterns during successful stopping and control failures.

Shared and distinct cortical mechanisms for working memory and decision-making.

This study investigates whether spatial memory mechanisms are shared across tasks requiring working memory and decision-making in primates, finding distinct roles for DLPFC and LIP.

Ventral Striatum is Preferentially Correlated with the Salience Network Including Regions in Dorsolateral Prefrontal Cortex

The paper identifies cortical regions linked to the ventral striatum (VS) using functional connectivity MRI, showing its preferential correlation with the Salience network including dorsolateral prefrontal cortex.

Self-navigating the "Island of Reil": a systematic review of real-time fMRI neurofeedback training of insula activity

This review evaluates rtfMRI neurofeedback training targeting insula activity, finding it effective in modulating insula activity and suggesting guidelines for future studies.

The functional neurobiology of negative affective traits across regions, networks, signatures, and a machine learning multiverse

The paper investigates the neural basis of negative affective traits using fMRI data from 458 adults, finding that whole-brain machine learning models better predict stress vulnerability than region- or network-level measures.

Abstract choice representations during stable choice-response associations

The paper shows that abstract choice representations exist in the human brain even when choice-response mappings are stable, using MEG during a motion discrimination task.

Task-Switch Related Reductions in Neural Distinctiveness in Children and Adults: Commonalities and Differences

This study compares task-switching neural distinctiveness in children and adults using fMRI, finding similar switch-related reductions but differences in regional correlations.

Locus coeruleus-related insula activation is associated with implicit learning

This study investigates how noradrenergic systems contribute to implicit learning by combining neuroimaging and behavioral assessments across age groups.

The Neurobiology of Cognitive Fatigue and Its Influence on Effort-Based Choice

This study investigates how cognitive fatigue affects effort-based decision-making using fMRI, finding that fatigued individuals are more likely to choose lower reward options requiring less effort.

Neural Mechanisms Supporting Proactive Control

The paper investigates the neural mechanisms linking working memory capacity and proactive control using fMRI and behavioral data from the DMCC project, identifying a circuit involving rDLPFC and lMOT.

Consolidation of a recurrent choice pattern into a fixed action schema requires the orbitofrontal cortex

This study identifies the orbitofrontal cortex's role in consolidating recurrent choice patterns into a fixed action schema in rodents.

Category-biased patches encircle core domain-general regions in the human lateral prefrontal cortex

The paper investigates the functional organization of the human lateral prefrontal cortex using fMRI, revealing category-biased patches adjacent to domain-general regions.

Neural dynamics of an extended frontal lobe network in goal-subgoal problem solving

This study examines how goal-subgoal problem solving is encoded in a distributed network of frontal lobe regions in monkeys, showing specialized and shared representations across regions.

Neuromodulation of risk preferences encoded in human orbitofrontal cortex activity

The paper shows that low-frequency oscillatory coherence in the orbitofrontal cortex correlates with risk preferences and that targeted stimulation reduces risk-taking behavior.

Neural Mechanisms of Cognitive Flexibility and Interference Control in a Stroop Task Switching Paradigm

This paper investigates neural mechanisms of cognitive flexibility and interference control using EEG in a modified Stroop task, identifying distinct neural correlates for each process.