The geniohyoid muscle is one of the suprahyoid muscles that together open the jaw and participate in swallowing. The hypoglossal nerve is responsible for the nervous supply to the geniohyoid muscle. Accordingly, hypoglossal nerve palsy impairs the function of the muscle and causes dysphagia, which can occur in the context of numerous neurologic, muscular, and … Geniohyoid Muscle: Structure, Function & Diseases
Soul blindness, also known as visual agnosia or optical agnosia, is the inability to process sensory stimuli despite functional perception. The sensory organs are not impaired and there is no mental illness such as dementia. What is soul blindness? The difference from conventional blindness is that agnosia patients do not have impaired vision. They are … Soul Blindness: Causes, Symptoms & Treatment
Agnosia is a neuropsychological symptom based on a disorder of information processing in the brain. Functional deficits in certain brain areas may be the cause. Therapies for this disorder are often based on compensatory strategies. What is agnosia? In medicine, agnosia is used to describe a rare neuropsychological symptom whereby information processing in the brain … Agnosia: Causes, Treatment & Help
The locus caeruleus is a part of the formatio reticularis in the bridge (pons) and consists of four nuclei. Its connections to the forebrain (prosencephalon), diencephalon, brainstem (truncus cerebri), cerebellum, and spinal cord are involved in specific arousal processes. Neurodegenerative diseases such as Alzheimer’s dementia, Down syndrome, and Parkinson’s syndrome can damage the locus caeruleus, … Locus Caeruleus: Structure, Function & Diseases
Cortical blindness is the older term used in neurology to describe acquired blindness that is not due to a diseased eye, but to damage to the primary visual cortex in the brain. Commonly used synonyms are blindsight and blindside. American physicians coined the latter term. What is cortical blindness? People who suffer from cortical blindness … Bark Blindness: Causes, Symptoms & Treatment
The prosencephalon is part of the central nervous system and consists of the cerebrum (telencephalon) and diencephalon. In the three vesicle stage of early embryonic development, the prosencephalon represents one of the three primary cerebral vesicles. What is the prosencephalon? The prosencephalon (forebrain) includes two major anatomical subunits: the cerebrum (telencephalon) and the diencephalon (diencephalon). … Prosencephalon: Structure, Function & Diseases
