Amnesia/Mental Variance/Coma/Brains

Amnesia.

Possibly autistic. "Keiichi, a frequent diner, who struggles to communicate."

Mental Illness. Dyslexia.

Schizophrenia.

Amnesia.

Mental illness.

Subdural hematoma of the brain. This aspect was dealt with superficially, and a time skip of two  years ignored the recovery process.

Haphephobia, Phobia, Scopophobia, Trauma.

Trauma; alexithymia (emotional blindness, an inability to  recognize one’s emotions; causes difficulty in relationships and attachments).

Mental Illness.

Amnesia.

[“Smoking Gun” is an espionage action thriller about a former South Korean agent with memory loss and a North Korean secret agent who is trying to kill him as they carry out an intense chase in order to stop a terrorism plot.]

Chronic, severe insomnia.

Haphephobia (fear of being touched by people).

Coma for 13 years.

Neurological Disorder.

Neurological Disorder.

"Hwang Shi Mok underwent brain surgery as a child to curb his violent temper, which left him devoid of emotions. Hwang becomes a prosecutor known for his piercing intelligence and logic, but he is ostracized because he lacks empathy and social skills." 

Alexithymia.

Alexithymia (emotional blindness).

Trauma; paranoia.

Bipolar disorder.

Hyperosmia (sensitivity to smells).

Trauma.

Brain Damage. Aphasia (impaired speech).

Hyperosmia; Alzheimer's Disease.

Amnesia. When Arang is awakened, she doesn't remember her life as Lee Seo Rim.

Trauma; Photographic memory.

Alzheimer's Disease.

Insomnia; migraines.

Panic disorder, mental illness.

Mental Illness.

Sociopath.

[Supporting character Jiang Jing Rui has the ADHD-like characteristics of impulsivity, intense emotion, and awkwardly honest speech. He's also able to bring tremendous focus to bear on one particular task: the game of Go.] https://kisskh.at/list/1ep20p74, kabocha

Amnesia.

Sleepwalking due to trauma.

OCD; mental illness.

OCD; mental illness.

Coma. Amnesia. Brain translated scents into visuals (synesthesia).

Mental illness.

 Neurological Disorder, ALS.

Schizophrenia.

Amnesia.

Mental illness.

Mind reading; telepathy.

Brainwashing.

Amnesia.

Amnesia.

Mental Illness. OCD.

Coma.

Amnesia; trauma.

Short-term Memory Loss, Amnesia. 

Coma.

Nyctophobia.

Mental Illness. OCD. Anxiety Disorder.

ML had OCD and neurodivergent tendencies.

Psychopath Female Lead.

Amnesia.

Amnesia. Su He fell off a cliff and lost her memory for five years.

Trauma; fear of the dark (had to sleep with candle burning).

Amnesia.

Globophobia (fear of balloons).

Amnesia.

Insomnia.

Antisocial Personality Disorder; amnesia.

Coma.

Male lead is implanted with a brain inhibitor that prevents him from remembering certain important factors.

Amnesia. 

"Domineering CEO Ning Cheng Ming has a reputation for being a professor from hell. After a mysterious car accident, he is saved by Li Qian, a person that he hasn't seen in years. They were enemies."

Amnesia.

Aquaphobia (an irrational and intense fear of water).

Amnesia.

Asperger's Syndrome; Autism.

Alzheimer’s disease.

Amnesia. 

"10 years ago, Ja Yoon escaped from a government facility in the midst of an inexplicable incident by herself and lost all her memory."

Dissociative Identity Disorder; Multiple Personalities.

OCD.

Ageusia (the complete loss of the sense of taste, characterized by an inability to detect the five basic taste qualities: sweet, sour, salty, bitter, and umami)

Amnesia.

Amnesia.

Amnesia.

Amnesia.

Mental Illness.

Coma.

"Liu Xia, a psychological counselor, collaborates with Shen Qin to develop an AI psychological testing system."

Dissociative Identity Disorder. Mental Illness.

Amnesia.

Short-term Memory Loss.

"After falling from a tree 6 months ago Alice now suffers having "goldfish memory." 

Asperger's Syndrome.

Telepathy.

Brain damage: unable to recall memories after accident and can't retain daily memories.

Amnesia.

Mysophobia.

Speech disorder.

Memories erased.

Amnesia.

Amnesia: An Ning, a chef with the ability to see others' memories, helps her boss, Long Hao Qian, recover a year’s worth of lost memories. 

Mental illness; OCD.

 "Opposite gender touch allergy." 

Insomnia.

Bipolar disorder, mental illness, depression.

It's possible Yeon Si Eun is neurodivergent due to his analytical nature and his repressed social skills. He likely suffers from PTSD, depression, trauma, and abandonment issues. 

OCD. Amnesia.