Related Experiment Video
Updated: Jun 5, 2026
08:05
Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
Published on: June 30, 2020
Frontal and parietal contributions to probabilistic association learning
Jacqueline A Rushby1, Ans Vercammen, Colleen Loo
1School of Psychiatry, University of New South Wales, Randwick, New South Wales 2031, Australia.
Cerebral Cortex (New York, N.Y. : 1991)
|January 11, 2011
Summary
The dorsolateral prefrontal cortex (DLPFC) is not essential for initial learning of probabilistic associations. Disrupting the DLPFC only impacts later learning stages, suggesting a role in memory consolidation, not initial acquisition.
Area of Science:
- Cognitive Neuroscience
- Neuropsychology
Background:
- Neuroimaging studies implicate the dorsolateral prefrontal cortex (DLPFC) and inferior parietal cortex (iPARC) in probabilistic association learning.
- The necessity of these brain regions for this type of learning remains unclear.
Purpose of the Study:
- To investigate the causal role of the left DLPFC and left iPARC in probabilistic association learning.
- To determine if disrupting these regions affects the acquisition or consolidation of learned associations.
Main Methods:
- A crossover, single-blind design using repetitive transcranial magnetic stimulation (rTMS) to disrupt left DLPFC, left iPARC, or sham.
- Participants completed probabilistic association learning tasks across multiple sessions.
Main Results:
- Repetitive transcranial magnetic stimulation (rTMS) to the DLPFC disrupted learning in subsequent sessions, but not in naive participants.
- Disruption of the iPARC did not affect learning at any stage.
- Early acquisition in naive participants was unaffected by DLPFC rTMS or sham stimulation.
Conclusions:
- The DLPFC may play a role in accessing consolidated strategies or memories related to probabilistic association learning.
- Early acquisition of probabilistic cue-outcome associations in naive individuals does not depend on the DLPFC or iPARC.
Related Concept Videos
01:27Associative Learning
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
01:21Association Areas of the Cortex
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
01:14Role of Cerebellum and Prefrontal Cortex in Memory
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
01:26Higher Mental Functions of Brain: Learning and Memory
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or playing an...
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...
01:21Cognitive Learning
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...