Johnston Lab
@inchinn.bsky.social
140 followers 150 following 10 posts
Neuroscientist fascinated by sensory physiology and how internal state modulates neural circuits https://johnstonlab.org/
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inchinn.bsky.social
Shreya @shreyac.bsky.social gave an excellent talk at this week's UKSN conference in beautiful Cambridge.

bsky.app/profile/elis...
at St John's
Reposted by Johnston Lab
elisagalliano.bsky.social
Olfaction geeks, come to Cambridge next month for a 30yrs old cross-disciplinary smell chat from philosophy to clinics to circuits 🧠👃
Headliner @dattalab.bsky.social on his lab's brand new olfactory maps study
Networking lunches, fancy College dinner, student discount, plenty of coffee. Go register!
Reposted by Johnston Lab
tobiasackels.bsky.social
🚨 Preprint alert! 🚨
Can mice estimate the distance to an odour source?
New work led by Cristina Marin and colleagues, jointly supervised by @andreas-t-schaefer.bsky.social at the @crick.ac.uk and myself.

Spoiler alert: Yes, they can!

Read the paper here: bit.ly/43A9tF9
Short 🧵 below
Reposted by Johnston Lab
inchinn.bsky.social
Johnston and Filippi lab walk in the Yorkshire Dales
Bottom of Malham cove On the way to Gordale Scar Steps to the top Top of the cove
Reposted by Johnston Lab
inchinn.bsky.social
Beautiful and fascinating work!
inchinn.bsky.social
A new collaborative effort on the impacts of mutations in PDZD8: Autistic features in humans, with mice displaying impaired social recognition behaviour, social odour recognition, and metabolic changes. Well done Dr Pantiru! 🧠 🧪 rdcu.be/ebCH8
Autistic behavior is a common outcome of biallelic disruption of PDZD8 in humans and mice
rdcu.be
Reposted by Johnston Lab
dinanthos.bsky.social
New preprint: a simple method (ADePT) for optical control and recording of activity by axially-decoupling the focal planes for widefield patterned photo-stimulation and two photon imaging. Proof-of-principle analysis of functional connectivity in the olfactory bulb. 1/7 #neuroscience
Axially decoupled photo-stimulation and two photon readout (ADePT) for mapping functional connectivity of neural circuits
All optical physiology in vivo provides a conduit for investigating the function of neural circuits in 3-D. Here, we report a new strategy for flexible, axially-decoupled photo-stimulation and two pho...
doi.org
Reposted by Johnston Lab
dulaclab.bsky.social
Our latest findings on social behavior circuits is out: how does the brain responds to social isolation? Terrific work by @dingliu.bsky.social et al. uncovering a circuit with similar neural architecture as physiological needs (hunger, thirst, sleep..). Detailed thread soon.
rdcu.be/ebo63
A hypothalamic circuit underlying the dynamic control of social homeostasis
Nature - New data on brain-wide circuits centred around two interconnected hypothalamic neuron populations provide significant mechanistic insights into the emergence of social need during social...
rdcu.be
Reposted by Johnston Lab
kingfunk.bsky.social
Alexander Fjaeldstad and I have a new chapter in the book Smell, Taste, Eat: The Role of the Chemical Senses in Eating Behaviour, edited by @LorenzoDStafford. Lots of great insights here.

From our chapter, it’s clear that smell loss and its impact on ingestion remain vastly underexplored."
The Effect of Olfactory Disorder (and Other Chemosensory Disorders) on Perception, Acceptance, and Consumption of Food
People with changes in the overall sensory experience of food often complain of taste disturbances, although the problem is normally caused by the loss of aroma in the food (thus an olfactory disorder...
link.springer.com
inchinn.bsky.social
A nice (dendritic) tree for the #FluorescentFriday before Christmas. 🎄

Reconstructed and modeled in elifesciences.org/articles/06250
Retinal ganglion cell filled with a fluorescent dye
Reposted by Johnston Lab
inchinn.bsky.social
We have a fresh new paper!
The PhD project of the talented Mark Conway.

A learning-induced change in the sensitivity of olfactory receptor neurons enables consistent perception of an odor. #olfaction #neuroscience

www.science.org/doi/10.1126/...
Perceptual constancy for an odor is acquired through changes in primary sensory neurons
Learning-induced changes in primary sensory neurons support concentration-invariant perception of an odor.
www.science.org
inchinn.bsky.social
Pretty pericytes,
Perching on a vessel,
Protecting the brain

An old Friday experiment for
#FluorescentFriday #Olfaction #haiku
In vivo 2-photon image of the neurovasculature in the olfactory bulb
Reposted by Johnston Lab
britishneuro.bsky.social
✨ We can’t wait to see everyone next week at the 2024 Festive Symposium in Leeds!
It’s your chance to connect with #neuroscientists from academia, clinics, and industry as we explore 'The Resilient Brain'.
Make sure you’ve got your ticket! bna.org.uk/mediacentre/...
Reposted by Johnston Lab
mattsmear.bsky.social
Sniffing helps animals identify smells and connect them to places and events, but noses can’t sense time or place.

How do brains connect odors with internal models of the world?

Our preprint suggests that the olfactory bulb participates in this connection.

www.biorxiv.org/content/10.1...
Reposted by Johnston Lab
grubblabneuro.bsky.social
We have *another* preprint! This work was led by the amazing Candida Tufo, ex-PhD student in the lab.

We show that adult-born dopaminergic cells in the olfactory bulb rapidly functionally resemble their pre-existing counterparts!

Have a look at the preprint here: www.biorxiv.org/content/10.1...
inchinn.bsky.social
Collected by Mark Conway as part of our upcoming paper on perceptual constancy. Mitral and tufted cells in the olfactory bulb expressing GCaMP6 imaged in vivo