Animals optimize behavior by integrating sensory input with motor actions. We hypothe-sized that coupling thermosensory information with motor output enhances the brain's capacity to process temperature changes, leading to more precise and adaptive behaviors. To test this, we developed a virtual "thermal plaid" environment where zebrafish either actively controlled temperature changes (sensorimotor feedback) or passively experienced the same thermal fluctuations. Our findings demonstrate that sensorimotor feedback amplifies the influence of thermal stimuli on swim initiation, resulting in more structured and organized motor output. We show that previously identified mixed-selectivity neurons that simultaneously encode thermal cues and motor activity enable the integration of sensory and motor feedback to optimize behavior. These results highlight the role of sensorimotor integration in refining thermosensory processing, revealing critical neural mechanisms underlying flexible thermoregulatory behavior. Our study offers new insights into how animals adaptively process environmental stimuli and adjust their actions, contributing to a deeper understanding of the neural circuits driving goal-directed behavior in dynamic environments.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11507703 | PMC |
http://dx.doi.org/10.1101/2024.10.15.618474 | DOI Listing |
J Funct Morphol Kinesiol
December 2024
Department of Experimental and Clinical Medicine, University of Florence, 50134 Firenze, Italy.
Background/objectives: Fine motor movements are essential for daily activities, such as handwriting, and rely heavily on visual information to enhance motor complexity and minimize errors. Tracing tasks provide an ecological method for studying these movements and investigating sensorimotor processes. To date, our understanding of the influence of different quantities of visual information on fine motor control remains incomplete.
View Article and Find Full Text PDFGeriatrics (Basel)
December 2024
Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA 15213, USA.
Background: Hand dexterity is affected by normal aging and neuroinflammatory processes in the brain. Understanding the relationship between hand dexterity and brain structure in neurotypical older adults may be informative about prodromal pathological processes, thus providing an opportunity for earlier diagnosis and intervention to improve functional outcomes.
Methods: this study investigates the associations between hand dexterity and brain measures in neurotypical older adults (≥65 years) using the Nine-Hole Peg Test (9HPT) and magnetic resonance imaging (MRI).
Cell Rep
December 2024
Department of Psychiatry and Neuroscience & Physiology, New York University Grossman School of Medicine, New York, NY 10016, USA. Electronic address:
The posterior "tail" region of the striatum receives dense innervation from sensory brain regions and is important for behaviors that require sensorimotor integration. The output neurons of the striatum, D1 and D2 striatal projection neurons (SPNs), which make up the direct and indirect pathways, are thought to play distinct functional roles, although it remains unclear if these neurons show cell-type-specific differences in their response to sensory stimuli. Here, we examine the strength of synaptic inputs onto D1 and D2 SPNs following the stimulation of upstream auditory pathways.
View Article and Find Full Text PDFCommun Psychol
December 2024
Social Value Decision-Making Collaboration Unit, RIKEN Centre for Brain Science BTCC TOYOTA Collaboration Center, Wako, Saitama, 351-0198, Japan.
How do group size changes influence cooperation within groups? To examine this question, we performed a dynamic, network-based prisoner's dilemma experiment with fMRI. Across 83 human participants, we observed increased cooperation as group size increased. However, our computational modeling analysis of behavior and fMRI revealed that groups size itself did not increase cooperation.
View Article and Find Full Text PDFFront Hum Neurosci
December 2024
Faculty of Psychology, Universitas Gadjah Mada, Yogyakarta, Indonesia.
The COVID-19 pandemic has highlighted the prevalence of fatigue, reduced interpersonal interaction, and heightened stress in work environments. The intersection of neuroscience and architecture underscores how intricate spatial perceptions are shaped by multisensory stimuli, profoundly influencing workers' wellbeing. In this study, EEG and VR technologies, specifically the , were employed to gather data on perception and cognition.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!