Who don’t like to play video games there may be some people who don’t like to play video games but they never says that it is not a good activity some people love to play video games not because they have some health benefits they play it for joy playing video games can make our boring life interesting there may be some people who don’t play too much but always says video games are good. Video Games not only pleasures us they also have some health benefits yes that Xbox can make you healthy so, just turn it on and start playing your favourite games not only favourites try some other games also which can make your brain healthy and can reduce stress. I will tell you about them later. As we know gaming can be additive if we play it too much for example if a person spending 14 to 15 hrs a day there is a possibility that he/she become additive of it even this matter not only depends on time they spend it also depends on how attractive the game is. As, there are so many games out there which are not highly graphicated (have low graphics) but can attract user attention how games are so attractive mainly when we play games it gives our brain a sense which makes it feel like we are doing the task or activity in real and this can reduce stress but how, let me tell you how it is able to reduce stress. It can reduce stress as it provide a real feeling this feeling helps our brain to reduce stress if we focus on process as we press the start button of joystick our brain slowly begins to secret some hormones these hormones are capable to deal with stress in short daily release of these hormones (dopamine, endorphins, serotonin and other mood enhancing brain hormones) manages the glucose level in our blood and improves our body functioning. There is a combination of nerve and hormonal signals, this prompts our adrenal glands, which are located atop our kidneys to release a surge of hormones which includes adrenaline and cortisol.
Adrenaline also works as a neurotransmitter; it is chemical mediator that works to change the activity of several different organs including heart. Adrenaline increases the heart rate, blood pressure, and increases the ability of our lungs to retain air. Adrenaline slows down digestion & some intestinal movement also to boost the energy of our muscles. When cortisol is in excess amount it causes major changes in the body’s metabolism. There are some studies which shows that too much screen time is not so bad for our eyes as we think instead of it some studies shows that playing too much video games can be helpful in the treatment of Amblyopia
Let me explain you about Amblyopia which is also known as lazy eye is one of the common conditions which can be seen in children. There is Unilateral or bilateral reduction in visual acuity that is not directly due to a structural abnormality in the eye or the brain. It is caused by abnormal visual stimulation during early childhood causing impairment in brain’s ability to ”learn” how to process visual information.
Visual Pathway includes:
- Bipolar neurons
- Ganglion cell’s axon forms the optic nerve
- Optic nerve to the Optic Chiasm
- Optic tract
- Lateral geniculate nuclei of the thalamus
- Optic Radiations
- Primary visual areas of the occipital lobes
Let me explain all:
Cones: They are photoreceptor cells in the retinas of vertebrate eyes including the human eye.
It can be noted that they respond differently to light of different wavelengths, & are responsible for colour vision, and function best in relatively bright light, as opposed to rod cells, which is known to work very well in dim light.
Bipolar neuron: It is a type of neuron that has two extension (One axon and one dendrite). There are many bipolar cells which are specialized sensory neurons for the transmission of sense. As such, they are part of the sensory pathways for smell, sight, taste, hearing, touch, balance and proprioception.
Ganglion cells: Ganglion cells are the final output neurons of the vertebrate retina. Ganglion cells collect information about the visual world from bipolar cells and amacrine cells. This information is in the form of chemical messages sensed by receptors on the ganglion cell membrane.
Optic nerve: It is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves. They transfer visual information from the retina to the vision centers of the brain via electrical impulses. They are made up of ganglionic cells or nerve cells. It consists of over one million nerve fibers. Blind spot is caused by the absence of specialized photosensitive cells, or photoreceptors, in the part of the retina where the optic nerve exits the eye.
Optic tract: The axons of the retinal ganglion cells converge to form the optic nerve, which after a partial decussation at the optic chiasm forms the optic tract.
Thalamus: It is a small structure within the brain located just above the brain stem between the cerebral cortex and the mid-brain and has extensive nerve connections to both. Its main function is to relay motor and sensory signals to the cerebral cortex & also regulates sleep, alertness and wakefulness. The thalamus is at the top of the brain stem near the centre of the brain from nerve fibres project out towards the cerebral cortex. The thalamus is divided into prominent bulb shaped masses of around 5.7 cm in length and positioned symmetrically on each side of the third ventricle. The thalamus is supplied with blood by four branches of the posterior thalamic-subthalamic arteries, thalamogeniculate arteries and the posterior choroidal arteries. Within the thalamus lie myelinated nerve fibres called lamellae that separate the structure into individual parts. Distinct groups of neurons make up other parts such as the periventricular, the nucleus limitans and the intralaminar elements, which are collectively also known as the allothalamus.
Lateral geniculate nuclei of the thalamus: It is the other main target of RGCs and is the relay station for visual input to the cortex. RGC axons again form ordered projections that map the visual field onto the LNG. Molecular mechanisms similar to those govern the retinotopic map in the OT/SC also regulate the retinogeniculate projections. Gradients of ephrins in the LGN and countergradients of Ephs in RGCs which regulate the topographic mapping in the LGN. In mammals’ input from the two eyes segregates into stereotyped eye-specific layers in the LGN.
Optic Radiations: The optic radiations, which are also know as the geniculocalcarine tract, are a projection tract that connects the lateral geniculate nucleus to the primary visual cortex in the occipital lobe. Its function is to transmit visual input coming from the retina, the optic nerve, and the optic tract.
Primary visual areas of the occipital lobes: The primary visual cortex (V1) is found in the occipital lobe in both cerebral hemispheres. It surrounds and extends into a deep sulcus called the calcarine sulcus. The primary visual cortex makes up a small portion of the visible surface of the cortex in the occipital lobe, but because it stretches into the calcarine sulcus, it makes up a significant portion of cortical surface overall. The primary visual cortex is sometimes also called the striate cortex due to the presence of a large band of myelinated axons that runs along the edges of the calcarine sulcus. It is a structure that is essential to the conscious processing of visual stimuli.
Video Games also Improves Visuomotor (when vision and movement work together) co-ordination like hand eye co Ordination.
Modern games (including VR) like Red Dead Redemption, Call of Duty, FIFA, Halo and many more are capable to increase our concentration and also benefits in other health conditions.
Most famous games like Pac-Man, Snake Game, Mario and Counter-Strike also increase our concentration and reduces stress.
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