Related Experiment Video
Updated: Jun 5, 2026
08:00
Decoding Natural Behavior from Neuroethological Embedding
Published on: October 3, 2025
Task context is broadly encoded in the human brain
Haley Keglovits1, Robert Zielinski2, Apoorva Bhandari1
1Department of Cognitive and Psychological Sciences, Brown University.
Biorxiv : the Preprint Server for Biology
|June 4, 2026
Summary
Task context is widely broadcast across the brain, not just in the dorsolateral prefrontal cortex (DLPFC). This widespread neural coding supports a context broadcast model for cognitive control.
Area of Science:
- Cognitive Neuroscience
- Neuroimaging
- Computational Neuroscience
Background:
- Cognitive control relies on task context as a top-down influence.
- The dorsolateral prefrontal cortex (DLPFC) is theorized to maintain and deploy context.
- How task context information propagates and is utilized remains unclear.
Purpose of the Study:
- To test hypotheses regarding context propagation: direct influence versus widespread broadcast.
- To investigate neural representations of task context during a hierarchical rule task.
Main Methods:
- Analysis of a large multisession fMRI dataset.
- Comparison of a hierarchical rule task with a non-hierarchical control task.
- Examination of cortex-wide activity patterns and network interactions.
Main Results:
- Superordinate task context was robustly and widely coded across all large-scale cortical networks.
- Context accounted for the most variance in cortex-wide activity.
- Integration of context with other task features occurred in specific regions, including attentional and visual streams.
Conclusions:
- Results support a context broadcast model, where context is widely available throughout the cortex.
- Contextual information is integrated with local processing in task-relevant areas.
- This challenges the notion that DLPFC solely dictates context-dependent processing.
Related Concept Videos
01:30Organization of the Brain
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
01:05Cerebral Hemispheres
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
01:30Introduction to Biological Bases of Psychology
Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
The nervous system, the cornerstone of...
02:34Empathy
Some researchers suggest that altruism operates on empathy. Empathy is the capacity to understand another person’s perspective, to feel what he or she feels. An empathetic person makes an emotional connection with others and feels compelled to help (Batson, 1991). Empathy can be expressed in several ways, including cognitive, affective, and motor.
01:23Somatosensory, Motor, and Association Cortex
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...
01:22Lobes of the Cerebrum
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.