Dorsolateral prefrontal cortex
(Redirected from Cortex praefrontalis dorsolateralis)
Dorsolateral Prefrontal Cortex[edit | edit source]
The dorsolateral prefrontal cortex (DLPFC) is a region in the frontal lobe of the brain that is involved in executive functions such as working memory, cognitive flexibility, planning, inhibition, and abstract reasoning. It is located on the lateral and dorsal part of the prefrontal cortex, which is the anterior part of the frontal lobes.
Anatomy[edit | edit source]
The dorsolateral prefrontal cortex is situated in the Brodmann areas 9 and 46. It is bounded by the ventrolateral prefrontal cortex and the orbitofrontal cortex. The DLPFC is connected to various other brain regions, including the thalamus, basal ganglia, and the parietal lobe, which allows it to integrate sensory and mnemonic information and use it to guide behavior.
Functions[edit | edit source]
The DLPFC is crucial for a variety of high-level cognitive processes:
- Working Memory: The DLPFC is heavily involved in the maintenance and manipulation of information in working memory. It allows individuals to hold information temporarily and manipulate it to perform complex tasks.
- Cognitive Flexibility: This region supports the ability to switch between different tasks or mental states, adapting to new rules or environments.
- Planning and Decision Making: The DLPFC is essential for planning future actions and making decisions based on predictions of outcomes.
- Inhibition: It plays a role in inhibiting inappropriate responses and controlling impulses, which is critical for self-regulation.
- Abstract Reasoning: The DLPFC is involved in abstract thinking and reasoning, allowing individuals to understand complex concepts and relationships.
Clinical Significance[edit | edit source]
Damage or dysfunction in the dorsolateral prefrontal cortex can lead to a variety of cognitive deficits. Conditions such as schizophrenia, depression, and attention deficit hyperactivity disorder (ADHD) have been associated with abnormalities in this region. Patients with DLPFC damage may exhibit difficulties with planning, problem-solving, and maintaining attention.
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