Reaction time for a visually paced simple motor task increases with age
PhysiologicalData Availability
Period at which this change occurs is not accurately known
Tissue
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brain
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Anatomical System
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anatomical site
- head and neck
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thorax
- thoracic wall
- abdomen
- pelvis
- perineum
- upper limb
- lower limb
- whole body
- adipose tissue
- mucosa
- spine
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cardiovascular system
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heart
- atrium
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ventricle
- left ventricle
- endocardium
- myocardium
- pericardium
- cardiac valve
- cardiac conducting system
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artery
- aorta
- arterial intima
- arterial media
- arterial adventitia
- carotid artery
- coronary artery
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vein
- venous intima
- venous media
- venous adventitia
- capillary
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heart
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respiratory system
- nose
- sinus
- larynx
- trachea
- bronchus
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lung
- alveolus
- pleura
- diaphragm
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hematological system
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bone marrow
- hematopoietic stem cells
- mesenchymal stem cell
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blood
- plasma
- myeloid progenitor cell
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bone marrow
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lymphoreticular system
- lymph
- lymph node
- tonsil
- spleen
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alimentary system
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oral cavity
- tongue
- salivary gland
- tooth
- gum
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pharynx
- nasopharynx
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- oesophagus
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stomach
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intestine
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small intestine
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- jejunum
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- vermiform appendix
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large intestine
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colorectal
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colon
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colon
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colorectal
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small intestine
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liver and biliary system
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pancreas
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oral cavity
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urogenital system
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urinary system
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kidney
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nephron
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renal corpuscle
- glomerus
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renal tubule
- renal proximal convoluted tubule
- renal distal convoluted tubule
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renal corpuscle
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nephron
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kidney
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reproductive system
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male reproductive system
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testis
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penis
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testis
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female reproductive system
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uterus
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breast
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male reproductive system
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urinary system
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endocrine system
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endocrine pancreas
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adrenal gland
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musculoskeletal system
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bone
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joint
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muscle
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bone
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integument system
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skin
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appendages
- hair follicle
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- nail
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- subcutaneous
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skin
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nervous system
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central nervous system
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brain
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cerebrum
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cerebral cortex
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frontal lobe
- prefrontal cortex
- parietal lobe
- temporal lobe
- occipital lobe
- visual
- insula
- olfactory bulb
- anterior olfactory nucleus
- lateral olfactory stria
- medial olfactory stria
- olfactory tubercle
- primary olfactory cortex
- secondary olfactory cortex
- hippocampus
- parahippocampal gyrus
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frontal lobe
- basal nuclei
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cerebral cortex
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hypothalamus
- preoptic nucleus
- supraoptic nucleus
- suprachiasmatic nucleus
- paraventricular nucleus
- infundibular nucleus
- anterior nucleus
- dorsomedial nucleus
- ventromedial nucleus
- lateral nucleus
- posterior nucleus
- premamillary nucleus
- tuberomamillary nucleus
- medial mamillary nucleus
- lateral mamillary nucleus
- lateral tuberal nucleus
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brain stem
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midbrain
- crus cerebri
- colliculi
- substantia nigra
- red nucleus
- periaqueductal grey matter
- oculomotor nucleus
- trochlear nucleus
- mesencephalic trigeminal nucleus
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pons
- vestibular nuclei
- cochlear nuclei
- superior olivary nucleus
- trapezoid nucleus
- nucleus of the lateral lemniscus
- abducent nucleus
- facial nucleus
- salivatory nuclei
- trigeminal nucleus
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midbrain
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cerebellum
- cerebellum cortex
- cerebellum nuclei
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tract
- corpus callosum
- ventricular system
- cerebrospinal fluid
- meninges
- white matter
- grey matter
- blood brain barrier
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cerebrum
- spinal cord
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brain
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peripheral nervous system
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visual apparatus
- globe
- eyelid
- lacrimal gland
- conjunctiva
- cornea
- sclera
- lens
- vitreous humor
- iris
- ciliary body
- choroid
- retina
- optic nerve
- trabecular meshwork
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auditory apparatus
- external ear
- middle ear
- tympanum
- auditory tube
- auditory ossicle
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internal ear
-
osseous labyrinth
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cochlea
- spiral organ of Corti
- semicircular canal
- vestibule
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cochlea
- membranous labyrinth
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osseous labyrinth
- olfactory apparatus
- peripheral nerve
- ganglion
- sympathetic chain
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visual apparatus
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central nervous system
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immune system
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thymus
- T cell progenitor
- lymphocytes
- B cell
- memory B cell
- T cell
- T regulatory cell
- stromal cell
- naïve T cell
- neutrophil
- macrophage
- natural killer cell
- dendritic cell
- leukocyte
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thymus
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anatomical site
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Anatomical System
References
- Mattay et al. (2002) "Neurophysiological correlates of age-related changes in human motor function." Neurology 58(4):630-635 (PubMed)
External Links
Description
While performing a visually paced "button-press" motor task, the reaction time was greater in elderly (>50 years, mean 59) subjects vs. young (<35 years, mean 30) subjects. No differences in accuracy were observed. Additionally, the contralateral sensorimotor cortex, lateral premotor area, supplementary motor area, ipsilateral cerebellum, were activated more in the elderly, and the ipsilateral sensorimotor cortex, putamen (left > right), and contralateral cerebellum were activated in the elderly only. The authors conclude that elderly subjects recruit additional cortical and subcortical areas even for the performance of simple motor tasks.