The 18 Neurodivergent Conditions We Cover

Definition
Alexithymia is a subclinical phenomenon characterised by difficulties in identifying, describing, and expressing emotions. People with alexithymia often struggle to recognise their own emotions and those of others, which can impact interpersonal relationships and emotional regulation.

How It Presents and Feels
Individuals with alexithymia may have difficulty understanding their own emotional states, often describing physical symptoms of emotion rather than the emotions themselves (e.g., saying "I feel tight in my chest" instead of "I feel anxious").

They may find it challenging to empathise with others or to engage in discussions about feelings. This can lead to misunderstandings in personal and professional relationships. People with alexithymia often feel disconnected from their emotions, which can be confusing or frustrating.

Common Traits
• Difficulty identifying and describing emotions
• Limited emotional expression and difficulty relating to others' emotions
• Focus on external, concrete details rather than internal feelings
• Challenges in social interactions due to lack of emotional awareness
• Reliance on logical, analytical thinking rather than emotional reasoning
• Frustration or confusion when asked about emotional experiences

Definition
Aphantasia is the inability to voluntarily create mental images in one's mind. People with Aphantasia cannot visualise scenes, faces, or objects, even if they can remember details about them. This condition is the opposite of a strong visual imagination.

How It Presents and Feels
Individuals with Aphantasia do not experience visual imagery, meaning they cannot "see" pictures in their minds. For example, when asked to imagine a beach, they might know what a beach looks like but cannot see it in their mind’s eye.

While Aphantasia does not typically affect overall cognitive functioning, it may influence how people approach tasks that involve visualisation or imagination. Some individuals may not realise they have Aphantasia until later in life when they discover that others can visualise things mentally.

Common Traits
• Inability to visualise images, scenes, or objects in the mind
• Reliance on other cognitive strategies, such as verbal thinking or logic
• Difficulty with tasks that require mental visualisation (e.g. spatial reasoning)
• Stronger skills in non-visual thinking (e.g. verbal, analytical)
• Potential frustration or confusion when asked to imagine or visualise things
• Possible unawareness of the condition until comparison with others

Definition:
Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterised by patterns of inattention, hyperactivity, and impulsivity that are more severe, frequent, and debilitating than typically observed in individuals at a comparable level of development.

It affects both children and adults, impacting various aspects of daily functioning including academic performance, work, and social interactions.

Presentation and Feelings:
ADHD can present differently in each individual. Common signs include difficulties in sustaining attention, frequent daydreaming, disorganisation, forgetfulness, and trouble following through on tasks. People with ADHD might feel overwhelmed by their inability to focus, leading to frustration and decreased self-esteem.

Hyperactive symptoms might manifest as an inability to sit still, excessive talking, or a constant sense of restlessness. Those with impulsive tendencies might struggle with interrupting others, making hasty decisions, or taking unnecessary risks.

Common Traits:
• Difficulty maintaining attention on tasks or play activities
• Frequent careless mistakes in schoolwork or work tasks
• Avoidance or dislike of tasks requiring sustained mental effort
• Easily distracted by extraneous stimuli
• Forgetfulness in daily activities
• Fidgeting with hands or feet, or squirming in seat
• Excessive talking or interrupting others
• Impatience and difficulty waiting for turns

Definition
Auditory Processing Disorder (APD) is a condition where the brain has difficulty processing sounds, particularly speech. Individuals with APD may hear sounds clearly, but they struggle to understand and interpret them, especially in noisy environments.

How It Presents and Feels
People with APD may have difficulty following conversations, especially when there is background noise. They might frequently ask for repetition or misinterpret what is said. APD can make learning and communication challenging, leading to frustration and fatigue.

Many individuals with APD describe feeling overwhelmed in noisy environments and may avoid situations where they need to process complex auditory information.

Common Traits
• Difficulty understanding speech in noisy environments
• Frequent requests for repetition or clarification
• Misinterpretation of spoken information
• Challenges with following verbal instructions
• Difficulty distinguishing similar-sounding words
• Fatigue and frustration in communication-heavy situations

Definition:
Autism Spectrum Disorder (ASD) is a neurodevelopmental condition characterised by differences in social interaction, communication, and a propensity for repetitive behaviours and specific interests. The spectrum nature of autism means that individuals with ASD can experience a wide range of symptoms and abilities.

Presentation and Feelings:
Autism can present in various ways depending on the individual. Some people with autism might find social interactions challenging, often experiencing difficulties in understanding social cues or engaging in typical back-and-forth conversations.

They might also have a strong preference for routines and may become distressed by unexpected changes. Sensory sensitivities are common, where sounds, lights, or textures can be overwhelming or uncomfortable.

Despite these challenges, many individuals with autism have unique strengths, such as attention to detail, strong memory skills, and intense focus on specific interests.

By fostering an inclusive environment and understanding the unique needs and strengths of individuals with autism, businesses can benefit from the diverse perspectives and talents that neurodiverse employees bring to the table.

Common Traits:
• Difficulty with social interactions and forming relationships
• Challenges in verbal and non-verbal communication
• Repetitive behaviours and routines
• Intense focus on specific interests or topics
• Sensory sensitivities (e.g., to noise, light, or texture)
• Struggles with change and transitions
• Exceptional memory for details or facts

Definition:
Dyscalculia is a specific learning difficulty that affects an individual’s ability to understand, learn, and perform math and number-based tasks. It is often referred to as "math dyslexia," though it is distinct from dyslexia. Dyscalculia is recognised by difficulties in numerical reasoning, processing, and calculation.

Presentation and Experience:
Dyscalculia can present itself in various ways, often making everyday mathematical tasks challenging. Individuals with dyscalculia might struggle with basic arithmetic, understanding time, handling money, or even recognising patterns and sequences.

These challenges can lead to feelings of frustration, anxiety, and low self-esteem, especially when these difficulties are not understood or adequately supported by others.

For someone with dyscalculia, the experience can be akin to a constant battle with numbers and related concepts. They might find it hard to follow numerical instructions, read charts or graphs, or remember mathematical facts and sequences. This can make tasks that others find simple, such as managing a budget or scheduling, overwhelming and stressful.

By understanding and accommodating the needs of individuals with dyscalculia, businesses can create an inclusive environment that allows all employees to thrive.

Common Traits of Dyscalculia
• Difficulty understanding numerical concepts and symbols.
• Challenges with arithmetic operations (addition, subtraction, multiplication, division).
• Problems with spatial reasoning and recognising patterns.
• Difficulty with time-related tasks (reading clocks, understanding elapsed time).
• Trouble with estimation and mental math.
• Difficulty keeping track of scores or numbers in games and sports.
• Struggles with remembering mathematical facts and sequences.

Definition:
Dysgraphia is a neurological disorder characterised by impaired writing abilities. This condition affects handwriting, spelling, and sometimes the ability to put thoughts on paper.

People with dysgraphia often have difficulty with the motor skills required for writing and may struggle to organise their thoughts coherently in written form.

The disorder is not linked to intelligence, meaning individuals with dysgraphia can be highly intelligent and capable in many areas but find writing to be a significant challenge.

People with dysgraphia may experience frustration and anxiety related to writing tasks. They might avoid writing whenever possible, which can impact their academic and professional performance. The condition can present in various ways, including messy handwriting, inconsistent spacing, and difficulty with spelling and grammar.

For individuals on the autism spectrum who also have dysgraphia, these challenges may be compounded by other sensory and communication differences, making it even more crucial to provide targeted support.

Common Traits of Dysgraphia:
• Poor handwriting with inconsistent letter sizes and spacing
• Difficulty in writing coherent sentences and paragraphs
• Frequent spelling errors, even with familiar words
• Trouble with grammar and punctuation
• Slow writing speed and difficulty in copying text
• Avoidance of writing tasks and preference for verbal communication

Definition:
Dyslexia is a specific learning difficulty that primarily affects the skills involved in accurate and fluent word reading and spelling. It is characterised by difficulties with phonological awareness, verbal memory, and verbal processing speed. Dyslexia is not related to a person's intelligence but rather to differences in the way the brain processes written and spoken language.

Presentation and Experience: Dyslexia may present itself in various ways, depending on the individual. Some common signs include difficulty with reading, writing, and spelling, despite having normal intelligence and adequate educational opportunities.

Individuals with dyslexia might read more slowly, mix up letters or words, and have trouble with pronunciation. They often experience frustration and anxiety over their academic performance, leading to decreased self-esteem. It's important to understand that dyslexia is a lifelong condition, but with appropriate support, individuals can achieve success in various fields.

By implementing these supportive measures, businesses can create an environment where individuals with dyslexia can thrive and contribute their unique perspectives and skills.

Common Traits of Dyslexia:
• Difficulty reading, including slow reading and mixing up words or letters
• Problems with spelling, often inconsistent and unpredictable
• Challenges with writing, including organising thoughts and grammar issues
• Struggling to follow sequences of instructions or information
• Difficulty with phonological processing, such as rhyming or breaking words into sounds
• Poor short-term memory and challenges with remembering lists of items
• Issues with time management and organisation

Definition:
Dyspraxia, also known as Developmental Coordination Disorder (DCD), is a neurological condition that affects motor skills, coordination, and the ability to perform everyday tasks.

It is characterised by difficulties in planning and executing coordinated movements, which can impact a person’s daily life and activities. Dyspraxia is not related to intelligence, but it can affect learning and social skills due to challenges in physical coordination.

Presentation and Experience:
Individuals with dyspraxia may experience a range of challenges, often beginning in early childhood. They might struggle with tasks that require fine motor skills, such as writing, tying shoelaces, or buttoning clothes, as well as gross motor skills like running or jumping.

The condition can also affect organisational skills, time management, and the ability to process sensory information. For someone with dyspraxia, these challenges can lead to feelings of frustration, anxiety, and low self-esteem, particularly when they see peers performing tasks with ease.

By understanding dyspraxia and implementing supportive strategies, employers can create an inclusive workplace that leverages the unique strengths and talents of neurodiverse employees.

Common Traits of Dyspraxia:
• Difficulty with coordination and balance
• Poor hand-eye coordination
• Challenges with fine motor tasks (e.g., writing, using tools)
• Trouble with sequencing and organisation
• Sensory sensitivity (e.g. to noise, touch, or light)
• Slow to learn new skills and routines
• Speech and language difficulties, such as pronunciation issues or difficulty organising thoughts

Definition:
Hyperlexia is defined as a condition where a child, often at a very young age, has an advanced ability to read far beyond their expected age level but may have difficulties with understanding spoken language and social interactions. This condition is often observed in children on the autism spectrum but can also appear in neurotypical children.

Hyperlexia may present itself through a child's remarkable reading skills, which typically manifest before the age of five.

These children might exhibit a profound interest in letters and numbers, sometimes even before they can speak fluently. While they can decode written words with ease, comprehending the context and meaning behind those words can be challenging.

For individuals with autism, the discrepancy between their reading ability and understanding of language can lead to frustration and confusion, as they might be able to read complex texts but struggle to engage in typical social interactions or understand spoken instructions.

By understanding and accommodating the unique strengths and challenges associated with hyperlexia, businesses can create an inclusive environment where neurodiverse individuals can thrive and contribute effectively.

Common Traits of Hyperlexia
• Early reading skills, often before the age of five
• Intense fascination with letters and numbers
• Difficulty understanding spoken language
• Challenges in social interactions and understanding social cues
• Echolalia, or repeating words and phrases
• Preference for routines and predictability

Definition:
Meares-Irlen Syndrome, also known as Scotopic Sensitivity Syndrome, is a perceptual processing disorder that affects the brain's ability to process visual information. It is not an optical problem, but rather a neurological one that impacts how the brain interprets visual stimuli.

Presentation:
Individuals with Irlen Syndrome often experience discomfort or difficulty when reading, writing, or processing visual information. This condition can manifest in various ways, such as light sensitivity, difficulty with depth perception, or visual distortions.

These visual stress symptoms can lead to headaches, eye strain, and fatigue. People with Irlen Syndrome might struggle with tasks that require prolonged focus on visual content, such as reading a book or looking at a computer screen.

Experience for People with Autism:
For individuals with Autism, Irlen Syndrome can exacerbate sensory sensitivities and make daily activities more challenging. They may feel overwhelmed by certain lighting conditions, experience difficulty concentrating, or find it hard to interpret visual cues.

This can affect their ability to perform tasks efficiently and may lead to increased anxiety or frustration.

By implementing these accommodations, workplaces can significantly improve the comfort and productivity of employees with Irlen Syndrome, creating a more inclusive environment for all.

Common Traits:
• Light sensitivity, especially to fluorescent or bright lights
• Difficulty reading or frequent loss of place while reading
• Perception of text as wavy, blurry, or moving on the page
• Poor depth perception, leading to clumsiness or difficulty judging distances
• Eye strain, headaches, or fatigue after reading or screen use
• Difficulty with contrast and patterns, leading to visual distortions

Definition
Misophonia is a condition characterised by strong emotional reactions, such as anger, anxiety, or disgust, in response to specific sounds. These sounds are often ordinary and typically unnoticeable to others, such as chewing, breathing, or tapping noises.

How It Presents and Feels
Individuals with Misophonia may experience intense discomfort or emotional distress when exposed to certain trigger sounds. These reactions can be severe enough to cause significant discomfort, avoidance behaviour, or difficulty concentrating.

People with Misophonia often describe feeling overwhelmed or "on edge" in environments where trigger sounds are present, leading to a desire to escape or avoid such situations.

Common Traits
• Strong emotional reactions to specific sounds (e.g., chewing, tapping)
• Intense discomfort, anxiety, or anger in response to trigger sounds
• Difficulty concentrating or functioning in environments with trigger sounds
• Avoidance of situations where trigger sounds are present
• Feelings of frustration or isolation due to misunderstood reactions
• Physical symptoms such as increased heart rate or sweating in response to triggers

Definition
Nonverbal Learning Disorder (NVLD) is a neurological condition that primarily affects visual-spatial processing, motor skills, and social skills. Despite the name, individuals with NVLD typically have strong verbal abilities, but they struggle with nonverbal cues, such as facial expressions and body language.

How It Presents and Feels
People with NVLD may excel in verbal tasks but struggle with understanding visual-spatial information, interpreting nonverbal social cues, or coordinating movements. They may have difficulty with tasks like reading maps, judging distances, or following visual instructions.

Social interactions can be challenging, leading to misunderstandings. Many individuals with NVLD feel frustrated by their difficulties in these areas, despite their verbal strengths.

Common Traits
• Strong verbal abilities and vocabulary
• Difficulty with visual-spatial tasks (e.g., reading maps, judging distances)
• Challenges in interpreting nonverbal social cues
• Poor motor coordination and difficulties with fine motor skills
• Struggles with organisational tasks and time management
• Social difficulties and potential for misunderstandings

Definition:
Obsessive-Compulsive Disorder (OCD) is a mental health condition characterised by persistent, intrusive thoughts (obsessions) and repetitive behaviours (compulsions) that an individual feels compelled to perform.

These obsessions and compulsions can interfere significantly with daily activities and cause considerable distress.

Presentation and Experience:
OCD can manifest in various ways, often depending on the individual. Common obsessions include fears of contamination, aggressive thoughts, a need for symmetry, and unwanted taboo thoughts.

Compulsions are repetitive behaviours or mental acts performed to alleviate the distress caused by obsessions, such as excessive cleaning, counting, checking, or ordering objects in a specific way.

Individuals with OCD may feel overwhelmed by their thoughts and rituals, leading to significant anxiety and frustration. They might also experience shame or embarrassment, particularly if their compulsions are visible to others.

Common Traits:
• Intrusive, persistent thoughts that cause distress
• Repetitive behaviours or mental acts aimed at reducing anxiety
• Fear of contamination or germs
• Excessive concern with order, symmetry, or exactness
• Hoarding objects with little or no value
• Ritualistic behaviours, such as repeated handwashing or checking locks

Definition
Prosopagnosia, commonly known as face blindness, is a neurological condition characterised by an inability to recognise faces. This condition can range from difficulty recognising familiar faces to an inability to distinguish between any faces at all, including one’s own reflection.

How It Presents and Feels
Individuals with prosopagnosia may have difficulty recognising friends, family members, or colleagues, even after repeated interactions. This can lead to social anxiety, embarrassment, and challenges in forming relationships.

People with prosopagnosia often rely on other cues, such as voice, clothing, or distinctive features, to identify others. The condition can be isolating, as it may lead to misunderstandings or awkward social interactions.

Common Traits
• Difficulty recognising or distinguishing faces, even familiar ones
• Reliance on non-facial cues (e.g., voice, hairstyle, clothing) to identify people
• Social anxiety or embarrassment in situations requiring face recognition
• Challenges in forming and maintaining social relationships
• Difficulty following visual media that relies on facial recognition
• Potential for misidentification or confusion in social settings

Definition
Sensory Processing Disorder (SPD) is a condition in which the brain has difficulty receiving and responding to information that comes in through the senses. People with SPD may be overly sensitive (hypersensitive) or under-sensitive (hyposensitive) to sensory stimuli.

How It Presents and Feels
Individuals with SPD may be overwhelmed by sensory input like bright lights, loud noises, or certain textures. Conversely, they may seek out sensory experiences, such as touching objects or making noises.

Everyday environments can be challenging for those with SPD, leading to anxiety or distress. Many people with SPD feel the need to control their environment to manage sensory input effectively.

Common Traits
• Hypersensitivity to sensory stimuli (e.g., light, sound, touch)
• Hyposensitivity to sensory stimuli (e.g., seeking out sensory input)
• Difficulty filtering out background noise or distractions
• Overwhelmed or anxious in sensory-rich environments
• Strong preferences for specific textures, sounds, or lights
• Avoidance of or intense seeking of sensory experiences

Definition:
Synesthesia is a neurological condition where stimulation of one sensory or cognitive pathway leads to involuntary experiences in a second sensory or cognitive pathway.

For instance, someone with synesthesia might hear a sound and simultaneously perceive it as a colour, or associate numbers with specific personalities. This blending of senses or cognitive processes can vary widely among individuals, leading to unique and often vivid perceptual experiences.

In the context of autism spectrum disorder (ASD), individuals may sometimes exhibit synesthesia as part of their sensory processing differences.

This can manifest in various ways, such as seeing colours when hearing music, tasting flavours when touching certain textures, or associating emotions with specific visual patterns. The co-occurrence of synaesthesia with autism can amplify sensory experiences, making environments feel more intense or overwhelming for some individuals.

By recognising and accommodating the unique sensory experiences of individuals with synesthesia, workplaces can foster an inclusive environment where all employees can thrive and contribute effectively.

Common traits associated with synesthesia include:
• Perceiving letters or numbers as inherently coloured.
• Seeing colours in response to music or sounds.
• Associating tastes or textures with specific colours or shapes.
• Experiencing emotions triggered by visual patterns or textures

Definition:
Tourette Syndrome (TS) is a neurological disorder characterised by repetitive, involuntary movements and vocalisations called tics.

The disorder is named after Dr. Georges Gilles de la Tourette, who first described the condition in 1885. Tics can vary in frequency, type, and severity over time and can include simple motor tics such as blinking or shoulder shrugging, and complex tics involving multiple muscle groups or vocalizations like grunting, throat clearing, or repeating phrases.

People with Tourette Syndrome may experience a range of physical and emotional sensations related to their tics. These sensations can include an urge or a build-up of tension before a tic, which is temporarily relieved once the tic occurs.

The experience of having TS can be challenging, especially in social or professional settings where tics may draw unwanted attention or misunderstanding. This can lead to feelings of embarrassment, frustration, or anxiety.

By implementing these strategies, employers can create a more inclusive and supportive workplace for individuals with Tourette Syndrome, allowing them to thrive and contribute effectively to the organisation.

Common Traits Associated with Tourette Syndrome:

• Motor Tics:
o Eye blinking
o Facial grimacing
o Shoulder shrugging
o Head jerking

• Vocal Tics:
o Throat clearing
o Grunting
o Sniffing
o Repetition of words or phrases

• Complex Tics:
o Combination of movements and sounds
o Repeating others' words (echolalia)
o Repeating one's own words (palilalia)

Definition

Rejection Sensitive Dysphoria (RSD) is an extreme emotional sensitivity to real or perceived rejection, criticism, or failure. It is not a formal diagnosis but a well-recognised experience, particularly among people with ADHD and sometimes autism. The intensity of the emotional pain can feel sudden, overwhelming, and disproportionate, often leading to strong physical and psychological responses.

How It Presents and Feels

RSD can feel like being emotionally "punched in the stomach" by even small comments, neutral expressions, or imagined slights. A missed hello, a slightly stern email, or being left out of a meeting can spiral into feelings of worthlessness or failure. The internal response is rapid and often invisible to others, but it can fuel self-doubt, anxiety, or withdrawal.

People with RSD often appear confident or high-achieving on the outside, while privately battling intense emotional swings. They may avoid situations where rejection or criticism is possible, or overcompensate by being perfectionistic or people-pleasing.

Common Traits
• Extreme emotional pain triggered by real or perceived rejection or criticism
• Intense fear of failure or letting others down
• Overthinking interactions (e.g. replaying conversations, analysing tone or expressions)
• Withdrawal, avoidance, or sudden shutdown after rejection is sensed
• People-pleasing or perfectionism to try and prevent criticism
• Mood swings that can be rapid and severe, sometimes resembling depression or anxiety
• Physical responses such as stomach aches, racing heart, or tears after rejection
• Difficulty distinguishing between constructive feedback and personal attack

Definition:
Anxiety, in an official capacity, is characterised as a persistent, excessive worry or fear about everyday situations. It can manifest in various forms such as generalised anxiety disorder, social anxiety disorder, or specific phobias, significantly impacting an individual's daily life and functioning.

For individuals with Autism Spectrum Disorder (ASD), anxiety is a common co-occurring condition, affecting about 40% of people on the spectrum.

The experience of anxiety for someone with Autism can be particularly intense due to challenges in processing sensory information, difficulties with social interactions, and a preference for routine and predictability.

In a workplace setting, supporting an individual with anxiety, especially those on the Autism spectrum, involves creating an environment that fosters understanding and provides necessary accommodations.

By implementing these supportive measures, businesses can create a more inclusive environment where neurodiverse individuals, including those with anxiety, can thrive and contribute effectively to the workplace.

Common traits associated with anxiety in individuals with Autism include:
• Heightened sensitivity to sensory stimuli (e.g., noise, lights, textures).
• Difficulty with transitions and changes in routines.
• Social anxiety or difficulty understanding social cues and expectations.
• Perfectionism and fear of making mistakes.
• Physical symptoms such as stomach-aches or headaches.