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多媒体时代,谨防“数码痴呆症”

2017-08-20 03:56:14   中国青年网

【提示】李小姐出现的症状,同样可考虑为“数码痴呆症”,这是指经常使用数码设备的城市上班族,或是专门的职业从业人员,容易出现的一种健忘症。

“这已经成为像失眠症、头痛一样,在现代人身上常见的症状。”王爱民解释说,人的记忆主要由大脑的海马体部分负责,如果不使用记忆力,会引起海马体萎缩,最终导致记忆容量减少。

右脑主要处理直觉、想象及情感思想等,而左脑处理理性推理、线性思考、实况调查等思维。过度依赖电子产品特别是智能手机等,主要是在运用左脑,倘若长期偏用左脑,会令右脑退化,造成削弱集中力、记忆广度,最终连认知能力也会退化。

“过度依赖智能手机的结果是令右脑退化,出现记忆力、专注力下降等早期痴呆症的迹象,再加上喝酒和抽烟,‘数码痴呆症’症状会进一步严重。”王爱民认为。

C

支招

慢跑戒烟呼吸新鲜空气可摆脱健忘

【病例】35岁的王先生对智能手机十分痴迷,他已用10余年,只要有空就会把手机拿出来玩,一天至少要玩上五六个小时。最近两年,王先生感觉记忆力下降,经常忘记电话号码、数字和人名,况且忘性变得越来越厉害。“以前我记得家人和单位大部分同事的手机号码,现在给老婆打电话,如果不按重拨根本想不起来。”有时领导交待的事情,他转身就忘了。

【提示】如何有效预防“数码痴呆症”呢?“慢跑、戒烟、午睡等10种方法,都可以帮助这类人群摆脱健忘。”王爱民建议,“每周慢跑2次,每次30分钟,在锻炼之后,能感觉自己更加精力充沛,大脑更加敏捷,对周边环境的观察力也有所增强。”

此外,转动眼球也行之有效。英国研究人员发现,左右转动眼球,可有效提高记忆力,因眼球水平转动,可让大脑左右半球互相沟通,对重新勾起记忆很重要。还可击掌蹬脚,脚被认为是人的“第二心脏”,常蹬脚,不仅有助于下肢血液循环,还能调节神经活动,延缓衰老,提高记忆力。

眼下很多年轻人不吃早餐,上午就很难保证充足的精力,势必影响一天的工作效率。午睡也很重要,10分钟至半小时的午睡是恢复认知功能的最佳办法,但对于具有创造力的思索过程和重要的记忆巩固来说,需要60~90分钟的午睡。

戒烟,记忆力可得到一定程度的恢复。对肥胖的中老年女性而言,减肥有助于提高记忆力。此外还可多去呼吸新鲜空气,大自然能让人平静和放松,并有助于注意力的集中。

王爱民还强调,数码设备的使用者,应当养成勤用脑、深度阅读、思考的习惯,同时建立并保持有意义的社交,放弃无用的信息接收方式等。

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