Some work by neurologists suggests that such experiences are generated by the same brain mechanisms that cause lucid dreams.

Some neurologists argue that classification will only be reliable and valid when based on neurobiological features rather than clinical interview, while others suggest that the differing ideological and practical perspectives need to be better integrated.

Some neurologists enter the field of rehabilitation medicine ( known as physiatry in the US ) to specialise in neurological rehabilitation, which may include stroke medicine as well as brain injuries.

Some neurologists may develop an interest in particular subfields, such as dementia, movement disorders, headaches, epilepsy, sleep disorders, chronic pain management, multiple sclerosis, or neuromuscular diseases.

Some of the commonly encountered conditions treated by neurologists include headaches, radiculopathy, neuropathy, stroke, dementia, seizures and epilepsy, Parkinson's Disease, multiple sclerosis, head trauma, sleep disorders, neuromuscular diseases, and various infections and tumors of the nervous system.

Some neurologists will complete voluntary, additional training in a fellowship program in order to gain experience in a subspecialty area.

Some neurologists hypothesize that the putamen also plays a role in the selection of movement ( e. g. Tourette Syndrome ) and the " automatic " performance of previously learned movements ( e. g. Parkinson's disease ).

Some architects specialize as building code, building envelope, sustainable design, technical writing, historic preservation ( US ) or conservation ( UK ), accessibility and other forms of specialist consultants.

Some assistant priests have a " sector ministry ", that is to say that they specialize in a certain area of ministry within the local church, for example youth work, hospital work, or ministry to local light industry.

Some farms, therefore, specialize in one vegetable ; others grow a large variety.

Some editors specialize in the editing of photographs such as the popular Adobe Photoshop, while others are more geared to artist-created illustrations, like the Adobe Fireworks.

Some predators specialize in certain classes of prey, not just single species.

Some paramedics have begun to specialize their practice, frequently in association with the environment in which they will work.

Some teddy bear artists specialize in the production of bears made from recycled materials.

Some teddy bear artists specialize in crochet bears made out of thread.

Some pre-made software products are available, though, and a few companies that specialize in the development of secure custom DDNS services do exist.

Some collectors may specialize in specific fields ( such as Nobel Prize winners ) or general topics ( military leaders participating in World War I ) or specific documents ( i. e., signers of the Charter of the United Nations ; signers of the U. S. Constitution ; signers of the Israeli Declaration of Independence ; signers of the Charter of the European Common Union ; signers of the World War II German or Japanese surrender documents ).

Some bodyguards specialize in the close quarter protection of children of VIPs, to protect them from kidnapping or assassination, a role which is nicknamed " mannyguarding " ( a pun on the word " nanny ").

Some hosts specialize in certain software or services ( e. g. e-commerce ), which are commonly used by larger companies that outsource network infrastructure.

According to a 2005 article by Randy Borum and Chuck Tilby, in Studies in Conflict & Terrorism: " Some organizations such as Ruckus Society and Anarchist Black Cross Federation even specialize in providing training in activism and varying forms of civil disobedience.

Some warship types specialize in anti-air warfare e. g. Ticonderoga-class cruisers equipped with the Aegis combat system or Kirov class cruisers with the S-300PMU Favorite missile system.

Some companies specialize in POD booklets, catalogs, and / or magazines.

Some spriters specialize in renewing the colors of old game sprites to make them look fresh.

Some groceries specialize in the foods of a certain nationality or culture, such as Italian, oriental or Middle-Eastern.

Some programmers may specialize in one area of game programming, but many are familiar with several aspects.

Some shops, such as SHOP99, specialize in certain items, such as groceries or natural goods, but this is less common than the variety store model.

Some of them specialize in languages or are even " bilingual " Slovak-German / English / French etc.

Some grips may specialize in operating camera dollies or camera cranes.

Some collectors specialize in collecting the booklets themselves, or whole panes from a booklet ; these often sell at a premium over the equivalent number of stamps.

Some summer theatres specialize in a particular type of production, such as Shakespearean plays, musicals, or even opera.

Some scientific journals specialize exclusively in evolutionary biology as a whole, including the journals Evolution, Journal of Evolutionary Biology and BMC Evolutionary Biology.

Some distribution costs are kept up by competitive pressure, some by the fact that the customers have come to expect certain niceties and flourishes.

Some school systems provide written instructions to principals and teachers designating when certain information is to be recorded on cumulative record forms and explaining how the information is to be summarized and used.

Some salamanders in the genus Aneides and certain Plethodontids climb trees and have long limbs, large toepads and prehensile tails.

Some researchers have speculated that this minority of Haplogroup C3 carriers among the Ainu may reflect a certain degree of unidirectional genetic influence from the Nivkhs, a traditionally nomadic people of northern Sakhalin and the adjacent mainland, with whom the Ainu have long-standing cultural interactions.

Some information is known about the family origins of Amasis: his mother was a certain Tashereniset as a bust statue of this lady, which is today located in the British Museum, shows.

Some Nasheed singers avoid instruments in the background due to the opinion of certain scholars that their use is prohibited.

Some legitimate customers had problems with this though if they made certain changes to their own phone, such as replacing the battery and / or antenna.

Some battle-survivors have nightmares about the conditions they encountered, or abnormal reactions to certain sights or sounds.

Some of its powers may, according to its articles, be exercised by directors, certain other powers may be reserved for the shareholders in general meeting.

Some printer technologies don't work with certain types of physical media, such as carbon paper or transparencies.

Some collectors focus on coins of a certain nation or historic period.

Some collectors are completists and seek an example of every type of coin within a certain category.

Some, like Henry Sidgwick, argue that a certain degree of egoism promotes the general welfare of society for two reasons: because individuals know how to please themselves best, and because if everyone were an austere altruist then general welfare would inevitably decrease.

Some critical observers consider that Uribe's policies, while admittedly reducing crime and guerrilla activity, might be too slanted in favor of a military solution to Colombia's internal war, neglecting grave social and human rights concerns to a certain extent.

Some people speak of cultural coercion when the fear of falling out with the group may force people into wearing a certain style of dress, publicly reciting a creed or a pledge of allegiance which they find ethically reprehensible or starting to smoke when they would have preferred not to etc.

Some studies have shown that ingredients in curry may help to prevent certain diseases, including colon cancer and Alzheimer's disease.

Some systems also include a hidden flag to make certain files invisible ; this flag is used by the computer system to hide essential system files that users should not alter.

Some error-correcting codes are based on special checksums that not only detect common errors but also allow the original data to be recovered in certain cases.

Some cells are specific to spatial information, certain stimuli ( smells, etc.

Some groups advocate certain prepared foods or special menus, while others train dieters to make healthy choices from restaurant menus and while grocery-shopping and cooking.

Some players use the more nimble tips of the fingers to play fast-moving solo passages or to pluck lightly for quiet tunes. The use of amplification allows the player to have more control over the tone of the instrument, because amplifiers have equalization controls that allow the bassist to accentuate certain frequencies ( often the bass frequencies ) while de-accentuating some frequencies ( often the high frequencies, so that there is less finger noise ).

Some jurisdictions classify as violent certain property crimes involving a strong likelihood of psychological trauma to the property owner ; for example, Virginia treats both common-law burglary ( the breaking and entering of a dwelling house at night with the intent to commit larceny, assault and battery, or any felony therein ) and statutory burglary ( breaking and entering with further criminal intent but without the dwelling-house or time elements, such that the definition applies to break-ins at any time and of businesses as well as of dwelling houses ) as felonies.

Some types of recessive gene disorders confer an advantage in certain environments when only one copy of the gene is present.

Some newspapers carry " gossip columns " which detail the social and personal lives of celebrities or of élite members of certain communities.

Some dietary or religious customs forbid the use of gelatin from certain animal sources, and medical issues may limit or prevent its consumption by certain people.