The A1 is located at the upper surface of the temporal lobes. The A1 is activated by multiple stimuli, such as speech sounds and the process of lip-reading in hearing individuals. This suggests an integration of senses to process information.

Primary auditory cortex (A1)

 Also known as the lateral sulcus, it is the deep fissure which demarcates the temporal lobe

Sylvian Fissure

Anatomical studies of the primary auditory cortex in the right and left hemispheres show how the different hemispheres play different roles in auditory perception.

- Planum Temporale
- Left Hemisphere and Speech
- Right Hemisphere and Music Perception
- Limits of Auditory Specializations

Auditory Specializations in the Brain Hemispheres

A patient is evaluated after sustaining a head injury. While a hearing test confirms their ears are functioning correctly, they have significant difficulty understanding spoken language. Additionally, they are struggling to form new long-term memories of conversations and events that have occurred since the accident. Based on this specific combination of symptoms, which major cortical region of the brain is most likely affected? Justify your answer by linking each symptom to the region's known functions.

Neurological Symptom Analysis

This is the large lateral cortical region of the cerebral hemisphere and is continuous with the parietal lobe

It is associated with processing auditory information, sense of smell and with some aspects of learning and memory 


Grinnell College

Miami University of Ohio

Google

Also known as just cortex, it is made of neuronal cell bodies, dendrites and axons. 
Due to different anatomical and functional differences, the major cortical regions have been divided into 4 categories:
- Frontal lobe
- Parietal lobe
- Temporal lobe
- Occipital lobe. 

They have been named after the bones of the skull that overlie them. There are boundaries between these lobes known as central and lateral sulcus. 

Any injuries that lead to impairment of the cortex can be dangerous 

Cerebral cortex

Breedlove, S. & Watson, N. (2017). Behavioral neuroscience, eighth edition. Oxford University Press.

Behavioral Neuroscience 8th Edition

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Temporal lobe

This region of cortex lies between the frontal and occipital lobe of each cerebral cortex.
 
It receives sensory information from the body and is involved in spatial cognition


Parietal Lobe

This section of the cortex covers most of the posterior part of each cerebral hemisphere. 

It receives and processes information from the eyes (sense of vision).


Occipital Lobe

 Depending on the specific regions that have been affected, cortical damage can lead to impairment of movement or body sensations, speech impairment, memory problems, personality change and many different types of visual impairments

Impairment of the cortex

It’s a type of electric potential that comes from the neurons of the cerebral cortex.

Cortical Potential

Located at the front of the brain and extending back to the central sulcus, the frontal lobe receives and coordinates signals from all senses. It is involved in a wide range of higher-order functions, including reasoning, motor control, emotion, language, impulse control, and cognitive tasks such as thinking, speech, and problem-solving. Key areas within the frontal lobe include Broca's area, the Prefrontal Cortex, and the Motor Cortex.

Frontal Lobe

A neuroscientist is mapping the brain's surface. Which principle best explains the primary method for distinguishing the four major lobes (frontal, parietal, temporal, and occipital) of the cerebral cortex from one another?

A patient is admitted to the hospital after a construction accident where an object struck the top-rear portion of their head. A brain scan reveals localized damage to the convoluted, outer layer of the brain directly beneath the point of impact. The patient reports experiencing a strange loss of sensation in their left hand.

Learn Before

Related

Learn After